[Event "FIN-chT 2223"]
[Site "Finland"]
[Date "2023.02.11"]
[Round "9.7"]
[White "Torkkola, Henri"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2174"]
[BlackElo "1975"]
[PlyCount "83"]
[EventDate "2022.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Vammala SK"]
[BlackTeam "Turku TuTS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. c3 0-0 5. Nbd2 d5 6. e3 c5 7. Be2 Nc6 8. h3 b6 9. 0-0 Bb7 10. a4 e6 11. Bh2 Qe7 12. Qb3 Rfd8 13. Rfd1 Rac8 14. Qa3 h6 15. a5 Bf8 16. axb6 axb6 17. Qb3 Nd7 18. Nb1 c4 19. Qc2 Na5 20. Nbd2 f5 21. g4 Bg7 22. gxf5 exf5 23. Kh1 Rf8 24. Rg1 g5 25. Nf1 Qe4 26. Qd1 Rce8 27. Ng3 Qe6 28. Nh5 Nc6 29. Qf1 Rf7 30. Bd1 Bh8 31. Bc2 Kf8 32. h4 g4 33. Nf4 Qf6 34. h5 Ne7 35. Ra7 Bc8 36. Ba4 gxf3 37. Rxd7 Bxd7 38. Bxd7 Rg7 39. Ne6+ Kf7 40. Nxg7 Bxg7 41. Qh3 Ra8 42. Be5 1-0

[Event "FIN-chT 2223"]
[Site "Finland"]
[Date "2023.01.15"]
[Round "8.8"]
[White "Koskinen, Riku"]
[Black "Makinen, Ville"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1975"]
[BlackElo "1997"]
[PlyCount "70"]
[EventDate "2022.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS"]
[BlackTeam "Helsinki HSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 b5 6. g3 Nf6 7. Bg2 Bb7 8. Qe2 Nc6 9. Nxc6 Bxc6 10. 0-0 b4 11. e5 Bxg2 12. Kxg2 bxc3 13. exf6 Qxf6 14. bxc3 Qxc3 15. Rb1 Qc6+ 16. Kg1 Be7 17. Be3 0-0 18. Rb6 Qa4 19. c4 Rfc8 20. Rc1 Bc5 21. Bxc5 Rxc5 22. Qf3 d5 23. Rcb1 Qxc4 24. Qa3 h6 25. R6b4 Qc2 26. R4b2 Qc3 27. Rb8+ Rxb8 28. Rxb8+ Kh7 29. Qxa6 Qe1+ 30. Kg2 Qe4+ 31. Kh3 Rc2 32. Qa7 Qf3 33. Rb7 Rxf2 34. Qd4 Qf5+ 35. g4 Qf3+ 0-1

[Event "FIN-chT 2223"]
[Site "Finland"]
[Date "2022.11.12"]
[Round "6.6"]
[White "Koskinen, Riku"]
[Black "Kahri, Antti"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1975"]
[BlackElo "2126"]
[PlyCount "90"]
[EventDate "2022.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS"]
[BlackTeam "Gambiitti"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 b6 6. Bb5+ Bd7 7. Bd3 Nc6 8. a3 Nge7 9. h4 Nf5 10. Bb2 Be7 11. h5 Qc7 12. g4 Nh6 13. c3 bxc3 14. Nxc3 a6 15. Qc2 b5 16. g5 Ng8 17. Bxh7 Qb6 18. Ne2 b4 19. Bxg8 Rxg8 20. h6 gxh6 21. gxh6 Rh8 22. Kf1 b3 23. Qb1 Na5 24. h7 Bb5 25. a4 Bxe2+ 26. Kxe2 Rc8 27. Ne1 Nc6 28. Qd1 Qb4 29. Rh3 Qc4+ 30. Qd3 Nb4 31. Qxc4 dxc4 32. Ng2 Nd5 33. Rc1 Bg5 34. Rcc3 Nxc3+ 35. Bxc3 Bc1 36. Kd1 Ba3 37. d5 exd5 38. e6 d4 39. exf7+ Kxf7 40. Bxd4 Rcd8 41. Rf3+ Ke8 42. Re3+ Be7 43. Re4 Rxh7 44. Kc1 Rh1+ 45. Kb2 Rxd4 0-1

[Event "FIN-chT 2223"]
[Site "Finland"]
[Date "2022.10.16"]
[Round "4.8"]
[White "Fraser, Scott"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2102"]
[BlackElo "1975"]
[PlyCount "44"]
[EventDate "2022.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK"]
[BlackTeam "Turku TuTS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Na3 Bxc3+ 7. bxc3 Qxc3+ 8. Qd2 Qxa1 9. Nb5 Na6 10. Nc3 Nc5 11. Bc4 b5 12. Bxf7+ Kxf7 13. 0-0 b4 14. Bb2 Qxf1+ 15. Kxf1 bxc3 16. Qd5+ Ne6 17. Ne5+ Kg7 18. Bxc3 Nf6 19. Ng4 Rb8 20. Qe5 d6 21. Qd5 Rb1+ 22. Ke2 Nf4+ 0-1

[Event "FIN-chT 2223"]
[Site "Finland"]
[Date "2022.10.15"]
[Round "3.7"]
[White "Koskinen, Riku"]
[Black "Bergman, Thomas"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1975"]
[BlackElo "1868"]
[PlyCount "62"]
[EventDate "2022.09.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS"]
[BlackTeam "Salo SalSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nge2 Nf6 6. Bf4 Qd8 7. Qd2 Bf5 8. f3 e6 9. g4 Bg6 10. h4 h5 11. g5 Nd5 12. a3 Bd6 13. Nxd5 cxd5 14. Bxd6 Qxd6 15. Nf4 Bf5 16. Bd3 Bxd3 17. Nxd3 Nc6 18. c3 Qg3+ 19. Qf2 Qxf2+ 20. Kxf2 g6 21. Ne5 Nxe5 22. dxe5 Rc8 23. Rad1 Rc4 24. Rd4 Rxd4 25. cxd4 Kd7 26. Rc1 Rc8 27. Rxc8 Kxc8 28. Ke3 b5 29. Kd3 Kb7 30. Kc3 a5 31. b4 a4 1/2-1/2

[Event "FIN-chT 2022"]
[Site "Finland"]
[Date "2022.04.10"]
[Round "11.8"]
[White "Koskinen, Riku"]
[Black "Jaakkola, Niklas"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1975"]
[BlackElo "1836"]
[PlyCount "62"]
[EventDate "2020.09.12"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS"]
[BlackTeam "Tampere Tammer"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. 0-0-0 Nb6 11. Nge2 g6 12. Be5 Nc4 13. Bxf6 Qxf6 14. b3 Ba3+ 15. Kb1 Nb2 16. Qd2 Nxd1 17. Rxd1 Qxf3 18. e4 dxe4 19. d5 Rd8 20. Nd4 Qxg4 21. dxc6 bxc6 22. Qe1 0-0 23. Nxe4 Qf4 24. h5 e5 25. hxg6 Rxd4 26. Rxd4 exd4 27. Qg1 Qxe4 28. gxf7+ Kxf7 29. Qf1+ Ke7 30. Qg1 Qe3 31. Qg7+ Rf7 0-1

[Event "FIN-chT 2022"]
[Site "Finland"]
[Date "2022.03.20"]
[Round "9.7"]
[White "Penttinen, Hannu"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B70"]
[BlackElo "1975"]
[PlyCount "94"]
[EventDate "2020.09.12"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Helsinki Ninja"]
[BlackTeam "Turku TuTS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 d6 3. Bc4 g6 4. Nge2 Bg7 5. 0-0 Nf6 6. d4 cxd4 7. Nxd4 Nc6 8. Nxc6 bxc6 9. Re1 e5 10. Bg5 0-0 11. Qd2 Qc7 12. Rad1 Rd8 13. h3 Be6 14. Bxe6 fxe6 15. Qe3 Rd7 16. f4 exf4 17. Bxf4 e5 18. Bg5 Rf8 19. Na4 Nh5 20. Rf1 Rdf7 21. Rxf7 Rxf7 22. Qd3 Bf8 23. g3 Ng7 24. Qc4 Qc8 25. Rf1 d5 26. exd5 Rxf1+ 27. Qxf1 cxd5 28. Qd3 d4 29. g4 Ne6 30. Bd2 Qc6 31. b3 Kg7 32. Nb2 e4 33. Qc4 Qd6 34. Kg2 e3 35. Be1 Nf4+ 36. Kf3 Nxh3 37. Bg3 Qf6+ 38. Kg2 Nf4+ 39. Kh2 Bd6 40. g5 Qxg5 41. Qxd4+ Be5 42. Qxa7+ Kf6 43. Qxh7 e2 44. Qh8+ Kf7 45. Qh7+ Kf8 46. Qh4 e1Q 47. Qxg5 Qe2+ 0-1

[Event "Turku TuTS Weekend A"]
[Site "Turku"]
[Date "2014.11.30"]
[Round "4"]
[White "Hautaniemi, Jarmo"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2017"]
[BlackElo "1983"]
[PlyCount "34"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bg5 c5 8. Rc1 Qa5 9. Qd2 cxd4 10. cxd4 Qxd2+ 11. Bxd2 0-0 12. Nf3 Rd8 13. Be3 Bg4 14. d5 Nd7 15. Be2 e6 16. 0-0 exd5 17. exd5 Nb6 1/2-1/2

[Event "Turku TuTS Weekend A"]
[Site "Turku"]
[Date "2014.11.30"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Norri, Roger"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "1983"]
[BlackElo "1898"]
[PlyCount "11"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c6 2. b3 Nf6 3. Nf3 d5 4. Bb2 Bf5 5. e3 e6 6. Nc3 1/2-1/2

[Event "Turku TuTS Weekend A"]
[Site "Turku"]
[Date "2014.11.29"]
[Round "3"]
[White "Koskinen, Riku"]
[Black "Kunnas, Erkki"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "1983"]
[BlackElo "1900"]
[PlyCount "83"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nc3 g6 5. d4 exd4 6. Qxd4 Bg7 7. Bg5 h6 8. Qe3+ Qe7 9. Qxe7+ Kxe7 10. Bxf6+ Bxf6 11. 0-0-0 Bxc3 12. bxc3 d6 13. Bh3 f5 14. Nf3 Nd7 15. Nh4 Nf8 16. Rhe1 f4 17. Bxc8 Rxc8 18. gxf4 Rd8 19. e4 Kf7 20. f5 g5 21. Nf3 Nh7 22. Nd4 Nf6 23. Ne6 Rd7 24. f3 b6 25. h3 Ke7 26. Rd2 Rb8 27. Rg2 Rg8 28. Reg1 d5 29. e5 Nh7 30. c5 bxc5 31. Nxc5 Rdd8 32. f4 d4 33. Ne6 Rd5 34. Nxd4 Rc8 35. Re1 Kf7 36. f6 c5 37. Nb5 Kg6 38. Nd6 Rd8 39. f5+ Kh5 40. Ne4 c4 41. e6 Re5 42. Ng3+ 1-0

[Event "Turku TuTS Weekend A"]
[Site "Turku"]
[Date "2014.11.29"]
[Round "2"]
[White "Kumpulainen, Jari"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1930"]
[BlackElo "1983"]
[PlyCount "111"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. e3 dxc4 7. Bxc4 c5 8. 0-0 Bg4 9. Be2 cxd4 10. exd4 Nd5 11. Be3 Nc6 12. Qd2 Nxe3 13. fxe3 Rc8 14. a3 Na5 15. Qd1 Nc4 16. Bxc4 Rxc4 17. Qb3 Qc8 18. Nd5 Re8 19. Ng5 Bf5 20. Rae1 h6 21. Nf3 Bc2 22. Qa2 Bd3 23. Rf2 Rc1 24. Nc3 Bc4 25. b3 Rxc3 26. bxc4 Qxc4 27. Qb1 Qa6 28. a4 Rec8 29. Qe4 Qxa4 30. Qxe7 Re8 31. Qxb7 Rcxe3 32. Ref1 R3e7 33. Qb2 a5 34. Ne5 Bxe5 35. dxe5 Qb4 36. Qa2 Qc5 37. Kh1 Qc7 38. Rf6 Kg7 39. h3 a4 40. e6 fxe6 41. Qxa4 Qe5 42. Qh4 Rb7 43. Qf2 Ree7 44. Qf3 Rbc7 45. Rf4 Qc3 46. Qa8 Rf7 47. Qe4 Rxf4 48. Qxf4 Kh7 49. Qf8 Qg7 50. Qf4 e5 51. Qe4 Re7 52. Rf3 Qg8 53. Rf6 Re6 54. Qb7+ Kh8 55. Rf7 e4 56. Qb2+ 1-0

[Event "Turku TuTS Weekend A"]
[Site "Turku"]
[Date "2014.11.28"]
[Round "1"]
[White "Koskinen, Riku"]
[Black "Sammalvuo, Tapani"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1983"]
[BlackElo "2441"]
[PlyCount "34"]
[EventDate "2014.11.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Re8 6. 0-0 e4 7. Nd4 Nc6 8. Nxc6 dxc6 9. d3 exd3 10. Qxd3 Qxd3 11. exd3 Bf5 12. Rd1 Rad8 13. Bf4 Rxd3 14. Bxc7 Bxc3 15. bxc3 Rxc3 16. Rd4 Be6 17. Re1 Rxc4 0-1

[Event "FIN-chT1A 1415"]
[Site "Finland"]
[Date "2014.11.16"]
[Round "4.6"]
[White "Koskinen, Riku"]
[Black "Kangasniemi, Jussi"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1993"]
[BlackElo "1876"]
[PlyCount "45"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS II"]
[BlackTeam "Pori PSY"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 c5 5. b3 Nc6 6. Bb2 d4 7. exd4 cxd4 8. Nb5 Bc5 9. b4 Bxb4 10. Nbxd4 Nxd4 11. Bxd4 0-0 12. Rb1 Be7 13. Be2 b6 14. 0-0 Bb7 15. Be3 Rc8 16. Qa4 Rc7 17. Nd4 Rd7 18. Nc6 Bxc6 19. Qxc6 Qc8 20. Qf3 Bc5 21. Rfd1 Rfd8 22. Bg5 Bd4 23. d3 1/2-1/2

[Event "FIN-chT1A 1415"]
[Site "Finland"]
[Date "2014.09.27"]
[Round "1.6"]
[White "Koskinen, Riku"]
[Black "Tingander, Ari Pekka"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1993"]
[BlackElo "2008"]
[PlyCount "46"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS II"]
[BlackTeam "Helsinki Garde"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. c4 c5 2. Nc3 Nc6 3. g3 e5 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 Nge7 7. d3 0-0 8. a3 d6 9. Rb1 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Bd2 Rb8 15. Ne4 b6 16. b4 axb4 17. axb4 cxb4 18. Bxb4 Nxb4 19. Rxb4 Nc6 20. Nf6+ Bxf6 21. Bxc6 Qd6 22. Qa4 b5 23. Bxb5 Ra8 0-1

[Event "Turku We TuTS"]
[Site "Turku"]
[Date "2013.12.01"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Alho, Mikko"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1993"]
[BlackElo "1931"]
[PlyCount "49"]
[EventDate "2013.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. e3 d5 4. b3 Bg4 5. Be2 Bxf3 6. Bxf3 d4 7. exd4 Qxd4 8. Nc3 e5 9. 0-0 Nbd7 10. Bb2 0-0-0 11. Qc2 Qh4 12. a4 h5 13. a5 Ng4 14. h3 Bc5 15. Ne4 Bd4 16. a6 b6 17. b4 Ndf6 18. c5 Rh6 19. Nd6+ Rxd6 20. cxd6 Bxf2+ 21. Kh1 c5 22. Qa4 Nd5 23. Bxd5 Rxd6 24. Qe8+ Kc7 25. Bxe5 1-0

[Event "Turku We TuTS"]
[Site "Turku"]
[Date "2013.12.01"]
[Round "4"]
[White "Topi Hulmi, Teemu"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2248"]
[BlackElo "1993"]
[PlyCount "43"]
[EventDate "2013.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. Be3 Nf6 7. h3 0-0 8. Nge2 Ne8 9. 0-0 f5 10. exf5 gxf5 11. Bg5 Nf6 12. Nf4 Rb8 13. Ncd5 Qe8 14. Bxf6 Bxf6 15. Nc7 Qd7 16. Nce6 Re8 17. Bd5 Kh8 18. Qh5 Ne5 19. Qxf5 Qb5 20. Be4 Nf3+ 21. Bxf3 c4 22. Qxb5 1-0

[Event "Turku We TuTS"]
[Site "Turku"]
[Date "2013.11.30"]
[Round "3"]
[White "Koskinen, Riku"]
[Black "Niemi, Kalle"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1993"]
[BlackElo "2314"]
[PlyCount "115"]
[EventDate "2013.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. Nc3 Nf6 5. d3 Be7 6. a3 0-0 7. b4 c6 8. Qb3 Kh8 9. Nf3 Qe8 10. Bb2 Na6 11. Rd1 Qh5 12. Na4 Nc7 13. c5 f4 14. cxd6 Bxd6 15. Nc5 Bh3 16. Bxh3 Qxh3 17. Bxe5 Bxe5 18. Nxe5 Nfd5 19. d4 b6 20. Ne4 Rae8 21. Qd3 Ne6 22. gxf4 Qg2 23. Qf3 Ndxf4 24. Nd6 Re7 25. Qxc6 Nd5 26. Rf1 Kg8 27. Nc8 Ree8 28. Nd6 Nxd4 29. Rxd4 Rxe5 30. Qc4 b5 31. Nxb5 Kh8 32. Nc3 Ne3 33. fxe3 Qxf1+ 34. Kd2 Qf2 35. Ne4 Qxh2 36. Nd6 Qf2 37. e4 Re7 38. b5 Qf4+ 39. Kc3 h6 40. a4 Qe5 41. Kb4 Kh7 42. a5 Rd7 43. Qc5 Qe6 44. b6 axb6 45. axb6 Qa2 46. Kb5 Qxe2+ 47. Kc6 Rdd8 48. b7 Qg4 49. e5 Qd7+ 50. Kb6 Rf2 51. Nb5 Qe8 52. Rxd8 Qxd8+ 53. Qc7 Qxc7+ 54. Kxc7 Rf7+ 55. Kc6 Rf8 56. Nd6 Rb8 57. e6 h5 58. e7 1-0

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2013.02.09"]
[Round "6.6"]
[White "Koskinen, Riku"]
[Black "Tingander, Ari Pekka"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1991"]
[BlackElo "2011"]
[PlyCount "95"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS II"]
[BlackTeam "Helsinki Garde"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 e5 6. 0-0 Nge7 7. d3 0-0 8. a3 d6 9. Bd2 h6 10. Rb1 a5 11. Ne1 Be6 12. Nc2 d5 13. cxd5 Nxd5 14. Ne3 Nce7 15. Ncxd5 Nxd5 16. Qc1 b6 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Bxh6 b5 20. Bxg7 Kxg7 21. Qe3 Rfe8 22. Rfc1 Rac8 23. Rc2 Re6 24. Rbc1 Rec6 25. Qe4 Qxe4 26. dxe4 c4 27. f3 Kf6 28. Kf2 Ke6 29. h4 f5 30. exf5+ gxf5 31. e4 b4 32. axb4 axb4 33. Ke3 c3 34. bxc3 bxc3 35. exf5+ Kxf5 36. Rd1 Rc4 37. g4+ Ke6 38. h5 Rf4 39. Ra1 Rcf8 40. Ra6+ Kd5 41. Rxc3 Rxf3+ 42. Kd2 Rf2+ 43. Kc1 Rg2 44. Rd3+ Ke4 45. Rd1 Rc8+ 46. Kb1 Rb8+ 47. Kc1 Rc8+ 48. Kb1 1/2-1/2

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2012.11.18"]
[Round "4.4"]
[White "Koskinen, Riku"]
[Black "Hytonen, Harri"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1991"]
[BlackElo "2067"]
[PlyCount "87"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS II"]
[BlackTeam "Helsinki HSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. c4 d6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. Nf3 Nf6 6. 0-0 0-0 7. Re1 Nbd7 8. b4 Nb6 9. Qb3 Be6 10. d3 d5 11. Nd2 dxc4 12. Nxc4 Nxc4 13. dxc4 Qd4 14. Be3 Qxc4 15. Qxc4 Bxc4 16. Rac1 Rfd8 17. a4 Nd5 18. Nxd5 Bxd5 19. Red1 Bb3 20. Rxd8+ Rxd8 21. b5 Bxa4 22. bxc6 bxc6 23. Bxc6 Rd1+ 24. Rxd1 Bxd1 25. Bxa7 Bxe2 26. f3 Bc3 27. Kf2 Bc4 28. Ke3 f6 29. f4 Kf7 30. Bc5 h5 31. Kf2 e5 32. fxe5 fxe5 33. Ke3 Kf6 34. Bb6 Bb4 35. Ke4 Ke6 36. Bc7 Bd6 37. Bd8 Ba2 38. Bb6 Bb1+ 39. Ke3 Ba3 40. Be4 Bc1+ 41. Kf3 Bxe4+ 42. Kxe4 g5 43. Bc7 Bb2 44. h3 1/2-1/2

[Event "FIN Team Cup"]
[Site "Finland"]
[Date "2012.04.21"]
[Round "2.6"]
[White "Lindholm, Lars"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1742"]
[BlackElo "1988"]
[PlyCount "64"]
[EventDate "2012.03.31"]
[EventType "team-k.o."]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "HaSS"]
[BlackTeam "Turku TS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nd5 Bg7 6. Nf3 e6 7. Nc3 Nge7 8. e4 0-0 9. Be2 d5 10. exd5 Nxd5 11. Nxd5 exd5 12. c3 d4 13. cxd4 Nxd4 14. 0-0 Nxe2+ 15. Qxe2 Re8 16. Qc4 Be6 17. Qb4 Qe7 18. Qb5 a6 19. Qb6 Bd5 20. Ng5 h6 21. Nh3 Qe4 22. Nf4 Bc6 23. Qe3 Qf5 24. Qh3 Qxh3 25. Nxh3 g5 26. f3 Re2 27. Rb1 Rae8 28. Kh1 Bb5 29. a4 Bd3 30. Ra1 Re1 31. Bxg5 Bxf1 32. Rxe1 Rxe1 0-1

[Event "Turku We TuTS A"]
[Site "Turku"]
[Date "2011.11.27"]
[Round "5"]
[White "Mollgren, Tage"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1903"]
[BlackElo "1988"]
[PlyCount "28"]
[EventDate "2011.11.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 e6 7. 0-0 Nf6 8. Be3 Rd8 9. h3 Bh5 10. Na3 cxd4 11. Nb5 Qd7 12. cxd4 Be7 13. Rc1 Nd5 14. Bd2 0-0 1/2-1/2

[Event "Turku We TuTS A"]
[Site "Turku"]
[Date "2011.11.26"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Sipila, Vilka"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1988"]
[BlackElo "2262"]
[PlyCount "66"]
[EventDate "2011.11.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 Nc6 9. b3 0-0 10. Nge2 e5 11. g3 Bg4 12. d5 Bf3 13. Rg1 Nd4 14. Qd2 Re8 15. Bh3 Qe7 16. Bg5 Bf6 17. Be3 Bxe2 18. Bxd4 exd4 19. Nxe2 Bg5 20. f4 Bf6 21. Kf2 Nd7 22. Bxd7 Qxd7 23. Rge1 Qh3 24. Kg1 Re4 25. Rcd1 Rae8 26. Nc1 Re3 27. Re2 Rxe2 28. Nxe2 h5 29. Qc2 Qg4 30. Kf2 Re3 31. Ng1 h4 32. Kf1 hxg3 33. hxg3 Rxg3 0-1

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.10"]
[Round "9"]
[White "Koskinen, Riku"]
[Black "Nieminen, Markus"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1970"]
[PlyCount "35"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 d5 5. cxd5 Qxd5 6. g3 0-0 7. Bg2 Nc6 8. Nc3 Qh5 9. b5 Nb4 10. Qb3 c5 11. bxc6 Nxc6 12. Rb1 Rb8 13. h3 Rd8 14. g4 Qa5 15. Qa3 Qc7 16. Nb5 Qf4 17. d3 a6 18. Bc1 1-0

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.09"]
[Round "8"]
[White "Linden, Lari"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1928"]
[BlackElo "1970"]
[PlyCount "36"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 b6 2. e4 Bb7 3. Bd3 e6 4. Nf3 c5 5. c3 cxd4 6. cxd4 Nf6 7. Nc3 Bb4 8. Qe2 Bxc3+ 9. bxc3 0-0 10. 0-0 d6 11. Bg5 h6 12. Bh4 Nbd7 13. Rfd1 Qc7 14. Rac1 Rac8 15. Nd2 e5 16. Rc2 Rfe8 17. Bxf6 Nxf6 18. d5 Rf8 1/2-1/2

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.08"]
[Round "7"]
[White "Koskinen, Riku"]
[Black "Liimatainen, Jero"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "1970"]
[PlyCount "69"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 c5 3. g3 Nc6 4. Bg2 Bg7 5. 0-0 e6 6. Nc3 d6 7. d3 Nge7 8. Bd2 Rb8 9. Ne1 h6 10. Nc2 a6 11. a4 Nd4 12. e3 Nxc2 13. Qxc2 Bd7 14. a5 Nc6 15. Na4 Nb4 16. Bxb4 cxb4 17. Nb6 Bc6 18. Qb3 Bxg2 19. Kxg2 0-0 20. Qxb4 Qc7 21. Rab1 Qc6+ 22. Kg1 Rbd8 23. Rfc1 Qf3 24. Qd2 h5 25. b4 h4 26. Qd1 Qf5 27. Qe2 Qh3 28. Qf3 d5 29. cxd5 Be5 30. d4 hxg3 31. fxg3 Bb8 32. Rc2 e5 33. Rd1 exd4 34. Rxd4 Rfe8 35. Rh4 1-0

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.07"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Jarvela, Jari"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1970"]
[BlackElo "2219"]
[PlyCount "109"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Nxd5 Qxd5 11. Bc4 Qa5+ 12. Bd2 Bb4 13. Rd1 0-0-0 14. Bxb4 Qxb4+ 15. Qxb4 Nxb4 16. 0-0 Rd6 17. Rd2 Rhd8 18. Rfd1 Nc6 19. f4 Rxd4 20. Rxd4 Rxd4 21. Rxd4 Nxd4 22. Kg2 Kd7 23. Kg3 Kd6 24. Bd3 f5 25. f3 Nc6 26. a3 Ne7 27. Bb5 Nd5 28. h4 Nf6 29. Kf2 Kc5 30. Ba4 Kd4 31. Bb5 Nh5 32. Bd7 Nxf4 33. Kg3 Ke5 34. b4 Nh5+ 35. Kf2 Nf6 36. Bc8 b6 37. Ke3 Nd5+ 38. Kd3 Kd6 39. Kc4 Nc7 40. a4 g6 41. b5 h6 42. Bb7 g5 43. hxg5 hxg5 44. Kd4 e5+ 45. Kc4 Ne6 46. Bd5 Nc5 47. a5 bxa5 48. Bc6 e4 49. fxe4 Nxe4 50. Kd4 Nc5 51. Be8 a4 52. Bg6 f4 53. Kc3 f3 54. Bh5 f2 55. Be2 0-1

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.07"]
[Round "6"]
[White "Puuska, Heini"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1999"]
[BlackElo "1970"]
[PlyCount "82"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 c5 7. 0-0 cxd4 8. exd4 Nc6 9. Ne5 Nd7 10. Nxd5 Ndxe5 11. dxe5 Be6 12. c4 Nxe5 13. Qb3 Bxd5 14. cxd5 b6 15. Ba6 Qd7 16. Rfe1 Qf5 17. Bg3 Nd7 18. Rxe7 Nc5 19. Qc4 Nxa6 20. Qxa6 Qxd5 21. Qe2 a5 22. Be5 Rae8 23. Bxg7 Rxe7 24. Qxe7 Kxg7 25. Qe3 Rd8 26. h3 Qd4 27. Qe2 Rd6 28. Rc1 Re6 29. Qc2 Re5 30. Qc3 Qxc3 31. Rxc3 Re1+ 32. Kh2 Re2 33. Rb3 Re6 34. g4 h5 35. Kg3 hxg4 36. hxg4 g5 37. f4 gxf4+ 38. Kxf4 Kg6 39. Rb5 f6 40. a3 Rc6 41. Kf3 Kf7 1/2-1/2

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.06"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Riihimaki, Pekka"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1970"]
[BlackElo "1971"]
[PlyCount "73"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Nc6 8. Qd2 Be7 9. 0-0-0 0-0 10. Kb1 Nxd4 11. Bxd4 b5 12. g4 Qc7 13. h4 Bb7 14. g5 Nd7 15. h5 b4 16. Ne2 Ne5 17. Qe3 Rac8 18. c3 Nc4 19. Qc1 d5 20. Bh3 dxe4 21. g6 exf3 22. gxf7+ Rxf7 23. Bxe6 fxe2 24. Rdg1 Kf8 25. Bxf7 Bxh1 26. Rxg7 Be4+ 27. Ka1 Ne5 28. Qg1 e1Q+ 29. Qxe1 Kxg7 30. Bd5 Bf6 31. Qxe4 Rd8 32. Qg2+ Ng6 33. h6+ Kxh6 34. Bxf6 Rxd5 35. Qxd5 Qf4 36. Qh1+ Nh4 37. Qxh4+ 1-0

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.05"]
[Round "3"]
[White "Jarvenpaa, Jari"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2214"]
[BlackElo "1970"]
[PlyCount "65"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Ne2 Nf6 7. Bg5 Nxe4 8. Qd4 Nf6 9. Bxf6 exf6 10. Qe3+ Kf8 11. Nf4 Kg7 12. Bc4 Re8 13. Qxe8 Qxc3+ 14. Kd1 Qxa1+ 15. Kd2 Qd4+ 16. Nd3 d5 17. Bxd5 Qxd5 18. Qxc8 b6 19. c4 Qc6 20. Qxc6 Nxc6 21. Kc3 Ne5 22. Nxe5 fxe5 23. Kb4 bxc5+ 24. Kxc5 Rd8 25. Rc1 f5 26. Kc6 Kf6 27. c5 Ke6 28. Kb7 Rd7+ 29. Kb8 Rd8+ 30. Kxa7 Kd7 31. Rd1+ Kc7 32. Rxd8 Kxd8 33. Kb7 1-0

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.05"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Tuominen, Risto"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1970"]
[BlackElo "2293"]
[PlyCount "145"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Rb1 cxd4 9. Nxd4 Bc5 10. Ncb5 a6 11. Nd6+ Bxd6 12. exd6 Qb4+ 13. c3 Qxd6 14. Be2 0-0 15. 0-0 Nc5 16. Qc2 Bd7 17. Rbd1 Rac8 18. Bf3 f5 19. Nb3 Nxb3 20. axb3 b5 21. Qf2 Na5 22. b4 Nb7 23. g3 Rfe8 24. Bd4 a5 25. Be5 Qe7 26. Qb6 Bc6 27. bxa5 Nc5 28. b4 Nd7 29. Qd4 Nxe5 30. Qxe5 Kf7 31. Rfe1 Qf6 32. Rd3 Qxe5 33. Rxe5 Kf6 34. Kf2 g5 35. Ke3 Bd7 36. Kd2 Rc7 37. Rd4 h5 38. Re1 Rh8 39. h4 gxf4 40. gxf4 Rg8 41. Bxh5 Rgc8 42. Rc1 Rh8 43. Bf3 Rxh4 44. Rh1 Rxh1 45. Bxh1 Bc6 46. Bf3 Rh7 47. Be2 Rh3 48. Rd3 Rh4 49. Rg3 Kf7 50. Ke3 e5 51. Kd2 Rxf4 52. Rh3 d4 53. a6 dxc3+ 54. Kxc3 Rf2 55. Rh6 Rxe2 56. Rxc6 Ra2 57. Rb6 Ra3+ 58. Kd2 Ra2+ 59. Kc3 Ra3+ 60. Kd2 Ke7 61. Rxb5 Kd6 62. Rb6+ Kd5 63. b5 f4 64. Rb7 e4 65. a7 f3 66. Re7 Ra2+ 67. Ke3 Ra3+ 68. Kf2 Ra2+ 69. Ke3 f2 70. a8Q+ Rxa8 71. Kxf2 Rb8 72. Rh7 Rf8+ 73. Ke2 1/2-1/2

[Event "Naantali op"]
[Site "Naantali"]
[Date "2011.07.04"]
[Round "1"]
[White "Pyylampi, Sauli"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1960"]
[BlackElo "1970"]
[PlyCount "132"]
[EventDate "2011.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. Nbd2 b6 7. c3 Bb7 8. Ne5 Nbd7 9. Ndf3 c5 10. Nxd7 Nxd7 11. e3 Qc7 12. Re1 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Qa4 Rfe8 16. Rd1 Qh5 17. Bd2 Re6 18. Be1 Bc6 19. Qc2 Rd8 20. Rd2 g5 21. Rad1 g4 22. c4 d4 23. Bxc6 Rxc6 24. Qe4 Re6 25. Qg2 Rde8 26. Rd3 dxe3 27. fxe3 Bh6 28. Bf2 Bxe3 29. Bxe3 Rxe3 30. Rxe3 Rxe3 31. Rd8+ Kg7 32. Rd5 Qg6 33. Rd1 Qe6 34. Qd2 Qe4 35. b3 Re2 36. Qg5+ Qg6 37. Qxg6+ Kxg6 38. a4 Rb2 39. Rd7 Rxb3 40. Rxa7 Rb4 41. Ra6 f6 42. h4 Rxc4 43. Kf2 Rb4 44. a5 b5 45. Ra8 c4 46. a6 Ra4 47. a7 Kf5 48. Ke3 b4 49. Kd4 b3 50. Kc3 Ra2 51. Kxc4 b2 52. Rb8 Rxa7 53. Rxb2 Ra3 54. Rg2 Ke4 55. Rf2 f5 56. Re2+ Re3 57. Rg2 Kf3 58. Rg1 Kf2 59. Ra1 Kxg3 60. h5 f4 61. Kd4 Re7 62. Rg1+ Kh3 63. Rh1+ Kg2 64. Rh4 Kg3 65. Rh1 f3 66. Rg1+ Kh3 0-1

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.12"]
[Round "6"]
[White "Koskinen, Riku"]
[Black "Immonen, Vihtori"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "1988"]
[BlackElo "2041"]
[PlyCount "88"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rb8 11. Bb3 Na5 12. Bh6 Bxh6 13. Qxh6 b5 14. g4 Nc4 15. h4 Kh8 16. Kb1 a5 17. h5 Ng8 18. Qc1 e5 19. Ndxb5 Bxb5 20. Nxb5 Nxb2 21. Nxd6 Nxd1 22. Rxd1 Qf6 23. a4 Qxf3 24. Ka2 Qxg4 25. Rh1 Qd7 26. Qa3 Rb4 27. Nc4 Qc7 28. h6 Rfb8 29. Nd2 Ne7 30. Rf1 f5 31. Qc1 Qc6 32. Nf3 Rxa4+ 33. Kb2 Qc5 34. Kb1 Qc3 35. Qb2 Qxb2+ 36. Kxb2 Rxe4 37. Ng5 Rxb3+ 38. Kxb3 Rb4+ 39. Ka3 Nc6 40. Rd1 Nd4 41. Ka2 Rc4 42. Rb1 Ra4+ 43. Kb2 Rb4+ 44. Kc1 Ne2+ 0-1

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.12"]
[Round "7"]
[White "Torkkola, Henri"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1956"]
[BlackElo "1988"]
[PlyCount "38"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 0-0 5. e4 c5 6. Nge2 d6 7. 0-0 Nc6 8. d3 Rb8 9. h3 a6 10. a4 Ne8 11. Be3 Nc7 12. Rb1 b5 13. axb5 axb5 14. b3 b4 15. Na4 Ne6 16. f4 Ned4 17. g4 Bd7 18. e5 Qc7 19. Nxd4 Nxd4 1/2-1/2

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.11"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Lauronen, Tapio"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1988"]
[BlackElo "2122"]
[PlyCount "87"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Qe2 e6 8. d4 Be7 9. Rd1 cxd4 10. cxd4 0-0 11. Nc3 d5 12. e5 Ne8 13. Bg5 f6 14. exf6 Bxf6 15. Bxf6 Rxf6 16. Rac1 Rc8 17. b3 h6 18. Na4 b6 19. Nb2 Nb4 20. Ne5 Qd8 21. Nbd3 Nxd3 22. Qxd3 Rc7 23. Rc2 Rxc2 24. Qxc2 Qc7 25. Rc1 Qxc2 26. Rxc2 Nd6 27. f3 Nb5 28. Nc6 Rf4 29. Rd2 a5 30. Kf2 Rf8 31. Rc2 Re8 32. Ke3 Nd6 33. Ne5 Rc8 34. Rxc8+ Nxc8 35. Kf4 Kf8 36. h4 Ke7 37. g4 Nd6 38. a4 Ke8 39. h5 Ke7 40. Ke3 Ke8 41. Kd3 Ke7 42. Kd2 Kd8 43. Kc3 Ke8 44. Kd3 1/2-1/2

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.11"]
[Round "5"]
[White "Linden, Lari"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1908"]
[BlackElo "1988"]
[PlyCount "120"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. g3 c5 4. d5 d6 5. Bg2 b5 6. cxb5 a6 7. bxa6 Bxa6 8. Nc3 Nd7 9. Nf3 Ngf6 10. 0-0 0-0 11. Rb1 Qa5 12. Qc2 Rfb8 13. h3 Nb6 14. Nd2 Nc4 15. Nxc4 Bxc4 16. b3 Bb5 17. Bd2 Nd7 18. a4 Ba6 19. Rfc1 Rb7 20. Bf1 Rab8 21. Nb5 Qd8 22. Na3 Qc8 23. Kg2 Nf6 24. e4 Bxf1+ 25. Rxf1 Ne8 26. Nc4 f5 27. Na5 Rb6 28. Qc4 fxe4 29. Nc6 Rxc6 30. dxc6+ e6 31. Qxe4 d5 32. Qe2 Qxc6 33. Rfe1 e5 34. Kh2 Nd6 35. a5 Nf5 36. Be3 e4 37. Rbc1 d4 38. Bf4 Re8 39. Qc4+ Kh8 40. Qxc5 Qb7 41. Qc6 Qf7 42. Rxe4 Rd8 43. Qc7 Qxc7 44. Bxc7 Rc8 45. Rd1 Rxc7 46. Re8+ Bf8 47. Rxf8+ Kg7 48. Rxf5 gxf5 49. Rxd4 Kf6 50. b4 Ke5 51. Rd2 Rb7 52. Rb2 Kd4 53. a6 Rb6 54. b5 Kc3 55. a7 Kxb2 56. a8Q Rxb5 57. Qh8+ Kc2 58. Qxh7 Kd3 59. Qd7+ Kc4 60. Qxb5+ Kxb5 1-0

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.10"]
[Round "3"]
[White "Hosia, Akseli"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1840"]
[BlackElo "1988"]
[PlyCount "86"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. Be2 Bg7 3. Nf3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Rd1 Be6 12. Bd4 f6 13. 0-0 Bf7 14. Bf3 Qc7 15. Nxd5 cxd5 16. b4 e5 17. Bc5 Rfd8 18. c4 e4 19. Be2 f5 20. Qc2 d4 21. f3 d3 22. Bxd3 exd3 23. Rxd3 Rxd3 24. Qxd3 Rd8 25. Qc2 Bd4+ 26. Bxd4 Rxd4 27. a3 Qxc4 28. Qb2 Rd3 29. Kh1 Rd2 30. Qa1 Qa2 31. Qe5 Qb2 32. Qb8+ Kg7 33. Rg1 Qd4 34. h3 Ra2 35. Rc1 Qb2 36. Rg1 Rxa3 37. Qf4 Ra4 38. Qe3 Ra2 39. Qe7 Qd4 40. Rc1 f4 41. h4 Qf6 42. Qe1 Qb2 43. Rc2 Ra1 0-1

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.10"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Elomaa, Arto"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1988"]
[BlackElo "1873"]
[PlyCount "68"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bf5 7. 0-0 e6 8. Re1 Be7 9. Bf4 Nbd7 10. a3 0-0 11. Qe2 Rfe8 12. Nd1 Bf8 13. Ne3 Bg6 14. Ne5 Qd8 15. Nxg6 hxg6 16. Rad1 Nb6 17. c3 Nfd5 18. Bg3 Bd6 19. Bd3 Bxg3 20. hxg3 Nxe3 21. Qxe3 Nd5 22. Qd2 Qc7 23. Qg5 Qe7 24. Qg4 Rad8 25. Kh2 Nf6 26. Qh3 Rd5 27. g4 Qd6+ 28. g3 Qd7 29. Kg2 c5 30. Rh1 Kf8 31. Qh8+ Ke7 32. Qxg7 Rg8 33. Qh6 Nxg4 34. Be4 Nxh6 0-1

[Event "FIN-ch U18/20"]
[Site "Turku"]
[Date "2011.06.09"]
[Round "1"]
[White "Salminen, Aku"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1732"]
[BlackElo "1988"]
[PlyCount "66"]
[EventDate "2011.06.09"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. c3 d5 7. exd5 exd5 8. d4 c4 9. b3 b5 10. Re1+ Nge7 11. a4 Ba6 12. axb5 Bxb5 13. Na3 Rb8 14. Nxb5 Rxb5 15. bxc4 dxc4 16. Qa4 Rb6 17. Qxc4 0-0 18. Ba3 Qd7 19. Bc5 Rb2 20. d5 Nxd5 21. Bxf8 Kxf8 22. Red1 Nce7 23. Qc5 Rb7 24. Ne1 Rb5 25. Rxa7 Rxc5 26. Rxd7 Bxc3 27. Bxd5 Rxd5 28. R7xd5 Nxd5 29. Rxd5 Bxe1 30. Rd7 Bc3 31. Kg2 Kg7 32. g4 g5 33. Kf3 Kg6 1/2-1/2

[Event "FIN-chT1B 1011"]
[Site "Finland"]
[Date "2011.01.22"]
[Round "6.7"]
[White "Koskinen, Riku"]
[Black "Helander, Olli"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1975"]
[PlyCount "146"]
[EventDate "2010.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Turku TS"]
[BlackTeam "Sastamala VammSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 d6 2. d4 c6 3. Nc3 Nf6 4. h3 Qc7 5. Nf3 e5 6. a4 a5 7. Bc4 Be7 8. 0-0 0-0 9. Qe2 h6 10. Be3 Nbd7 11. Rad1 exd4 12. Bxd4 Ne5 13. Ba2 Be6 14. Bxe5 dxe5 15. Bxe6 fxe6 16. Qc4 Kf7 17. Na2 Rad8 18. Nc1 Nd7 19. Nd3 Bf6 20. Nc5 Nxc5 21. Qxc5 b6 22. Qc3 c5 23. b3 Ke7 24. Nd2 Rd4 25. Qf3 Rfd8 26. Nc4 Qc6 27. Kh2 Qc7 28. c3 R4d7 29. Rxd7+ Rxd7 30. Rd1 Qc6 31. Rxd7+ Kxd7 32. Qd3+ Ke7 33. g3 Qc7 34. Kg2 Kf8 35. Kf3 Be7 36. Ke2 Kf7 37. Qf3+ Bf6 38. Qd3 Be7 39. Ke3 Bg5+ 40. Ke2 Be7 41. Ne3 Qc6 42. f3 Bd6 43. Nc4 Bc7 44. Ke3 g5 45. Qd8 Bxd8 46. Nxe5+ Kf6 47. Nxc6 Bc7 48. f4 h5 49. Na7 gxf4+ 50. gxf4 e5 51. f5 Ke7 52. Nb5 Bd8 53. c4 Kd7 54. Nc3 Bg5+ 55. Kf3 Kc6 56. Ne2 Kd6 57. Ng3 h4 58. Ne2 Bd8 59. Kg4 Kd7 60. Ng1 Kc6 61. Nf3 Kd6 62. Nxh4 b5 63. axb5 Kc7 64. Ng6 Bf6 65. h4 Kb6 66. h5 a4 67. bxa4 Ka5 68. h6 Kxa4 69. b6 Bd8 70. b7 Bc7 71. h7 Kb4 72. h8Q Kxc4 73. Nxe5+ Kb3 1-0

[Event "Mikkeli Maenpaa Memorial"]
[Site "Mikkeli"]
[Date "2011.??.??"]
[Round "4"]
[White "Iivonen, Markku"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2066"]
[BlackElo "1988"]
[PlyCount "92"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Nde2 Rc8 10. b3 Nf6 11. f3 0-0 12. 0-0 Rfd8 13. Qd2 e6 14. Rd1 d5 15. cxd5 exd5 16. exd5 Nxd5 17. Nxd5 Bxa1 18. Nf6+ Bxf6 19. Qxd7 Rxd7 20. Rxd7 Nd4 21. Nxd4 Rxc1+ 22. Kf2 Bxd4+ 23. Rxd4 Rc2+ 24. Kg3 Rxa2 25. Rd7 b5 26. h4 Kg7 27. Rb7 a6 28. Rb6 Kh6 29. Kh3 Ra3 30. b4 Kg7 31. Kg3 Ra4 32. Kh3 h5 33. Kg3 Kf8 34. Rb8+ Ke7 35. Rb7+ Ke6 36. Rc7 Kf6 37. Kh3 Ke6 38. Kg3 Rxb4 39. Rc6+ Kd5 40. Rxa6 Ra4 41. Rb6 b4 42. Rb7 Kc4 43. Rxf7 b3 44. Rc7+ Kd3 45. Rb7 Kc3 46. Kf2 b2 0-1

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "5"]
[White "Jarvela, Jari"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2217"]
[BlackElo "1988"]
[PlyCount "45"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nxc3 6. bxc3 Bg7 7. Ba3 0-0 8. e4 b6 9. Nf3 Bb7 10. Bd3 c5 11. Bxc5 bxc5 12. Qxb7 Nd7 13. 0-0 cxd4 14. cxd4 Nc5 15. Qb5 Bxd4 16. Rad1 Ne6 17. Bc4 Rb8 18. Qa4 Nc5 19. Qa3 Bxf2+ 20. Kxf2 Nxe4+ 21. Ke3 Nd6 22. Bb3 Qb6+ 23. Ke2 1/2-1/2

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2011.??.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Auvinen, Esa"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1988"]
[BlackElo "1969"]
[PlyCount "59"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. b3 b6 7. e3 Bb7 8. Nge2 Na6 9. 0-0 c5 10. Ba3 Rb8 11. Qd3 dxc4 12. bxc4 Bxg2 13. Kxg2 cxd4 14. exd4 Bxa3 15. f4 Bb2 16. Rae1 Bxc3 17. Nxc3 Qd7 18. f5 Nc7 19. g4 Nxg4 20. Re4 exf5 21. Ref4 Rfe8 22. Rxf5 Ne3+ 23. Kg1 Nxf1 24. Kxf1 Re3 25. Qxe3 Qxf5+ 26. Kg2 Re8 27. Qd2 Qg4+ 28. Kf1 Qf3+ 29. Kg1 Re6 30. Qg2 0-1

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2011.??.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Liimatainen, Jero"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1988"]
[PlyCount "63"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 0-0 10. 0-0-0 Nbd7 11. g4 Qc7 12. h4 Ne8 13. h5 Rc8 14. g5 g6 15. Bh3 Nc5 16. Nxc5 dxc5 17. hxg6 hxg6 18. Qh2 Ng7 19. Nd5 Bxd5 20. Bxc8 f6 21. gxf6 Bxf6 22. Rxd5 Qxc8 23. Qh3 Qc6 24. Qd7 Qxd7 25. Rxd7 b6 26. Rd6 Nh5 27. Rxb6 Ng3 28. Rh6 Kf7 29. Rb7+ Ke6 30. Rxg6 Rd8 31. Rxg3 Bg5 32. Rxg5 1-0

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Nieminen, Markus"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1988"]
[PlyCount "31"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Qd2 b5 10. 0-0-0 Be7 11. g4 Nb6 12. Qf2 Nc4 13. Bxc4 bxc4 14. Na5 Qxa5 15. Bb6 Nxe4 16. fxe4 1-0

[Event "Mikkeli Maenpaa Memorial"]
[Site "Mikkeli"]
[Date "2011.??.??"]
[Round "3"]
[White "Koskinen, Riku"]
[Black "Ronka, Erik"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1988"]
[BlackElo "1990"]
[PlyCount "24"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c4 cxd4 6. Nxd4 Be7 7. Nc3 0-0 8. Be2 dxc4 9. Bxc4 Bd7 10. 0-0 Nc6 11. Nxc6 Bxc6 12. Qxd8 Rfxd8 1/2-1/2

[Event "Mikkeli Maenpaa Memorial"]
[Site "Mikkeli"]
[Date "2011.??.??"]
[Round "1"]
[White "Koskinen, Riku"]
[Black "Tuominen, Joona"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1988"]
[BlackElo "1849"]
[PlyCount "50"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Ne7 6. Qc2 Nd7 7. Nf3 h6 8. 0-0 Nf6 9. Re1 0-0 10. b3 Be6 11. Ba3 Rc8 12. Bxd6 cxd6 13. Nbd2 Qa5 14. Rac1 b5 15. b4 Qb6 16. a4 a6 17. a5 Qb7 18. Nf1 Rc7 19. Ng3 Rfc8 20. Qd2 Rc6 21. Re3 Ng4 22. Re2 Qc7 23. h3 Nf6 24. Re3 Kf8 25. Bb1 Rc4 1/2-1/2

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Tuominen, Risto"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "1988"]
[BlackElo "2273"]
[PlyCount "76"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 Nc6 12. Rhb1 Qc7 13. Qf4 f5 14. h4 Bd7 15. g4 0-0-0 16. gxf5 gxf5 17. a4 Rdg8 18. Rg1 Rxg1 19. Rxg1 cxd4 20. cxd4 Qa5+ 21. Ke2 Qxa4 22. Rg6 h5 23. Rg7 Nb4 24. Qg5 Nxd3 25. cxd3 Qc6 26. Qf6 Re8 27. Ng5 Qc2+ 28. Ke3 Qc1+ 29. Kf3 Qd1+ 30. Ke3 Qe1+ 31. Kf3 Qh1+ 32. Ke2 Ba4 33. Qf7 Qd1+ 34. Ke3 Qe1+ 35. Kf4 Qc1+ 36. Kf3 Qh1+ 37. Ke2 Qd1+ 38. Ke3 Qc1+ 1/2-1/2

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2011.??.??"]
[Round "1"]
[White "Leino, Pauli"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1988"]
[PlyCount "76"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 g6 4. c3 Bg7 5. e3 0-0 6. h3 b6 7. Nbd2 c5 8. Ne5 Bb7 9. Bd3 Nbd7 10. 0-0 Nxe5 11. Bxe5 Qd7 12. Bxf6 Bxf6 13. f4 e6 14. Qg4 Bg7 15. Nf3 a5 16. Rf2 Ba6 17. Bxa6 Rxa6 18. Ne5 Qe7 19. Raf1 b5 20. Qe2 c4 21. g4 Rb6 22. g5 b4 23. Qg4 bxc3 24. bxc3 Bxe5 25. fxe5 Qa3 26. Rf6 Qxa2 27. Qf3 Rb1 28. Rxb1 Qxb1+ 29. Kh2 a4 30. Qf1 Qb2+ 31. Rf2 Qxc3 32. h4 a3 33. h5 Qxe3 34. Rg2 Qxd4 35. h6 Qxe5+ 36. Kh1 a2 37. Rxa2 Qxg5 38. Rh2 d4 0-1

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2011.??.??"]
[Round "5"]
[White "Linden, Lari"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "1908"]
[BlackElo "1988"]
[PlyCount "55"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. 0-0 Nc6 8. e3 0-0 9. Nc3 e5 10. d5 Ne7 11. e4 Bg4 12. Qb3 c6 13. h3 Bxf3 14. Bxf3 Qd6 15. Rd1 Rad8 16. Be3 Nec8 17. Rac1 Rfe8 18. dxc6 Qxc6 19. Nd5 Qa4 20. Qxa4 Nxa4 21. Rc7 b5 22. b3 Nab6 23. Nxb6 axb6 24. Rcd7 Rxd7 25. Rxd7 Bf8 26. Rd5 b4 27. Rb5 Kg7 28. Kf1 1/2-1/2

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "3"]
[White "Olander, Aleksi"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "1990"]
[BlackElo "1988"]
[PlyCount "40"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. 0-0 Nc6 8. e3 e5 9. Nc3 Bg4 10. d5 Ne7 11. h3 Bxf3 12. Bxf3 Qd7 13. Bg2 Rd8 14. Qb3 c6 15. dxc6 Nxc6 16. Rd1 Qe7 17. Rxd8+ Qxd8 18. a4 Qd7 19. a5 Nc8 20. Qc4 N6e7 1/2-1/2

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2011.??.??"]
[Round "3"]
[White "Rantanen, Veikko J"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1991"]
[BlackElo "1988"]
[PlyCount "104"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nf3 Bg4 7. Be2 Nh6 8. 0-0 Bg7 9. Nc3 Nf5 10. Qb3 Bxf3 11. Bxf3 Nfxd4 12. Qxd5 Bxe5 13. Rd1 Qc7 14. h3 Rd8 15. Qe4 Nxf3+ 16. Qxf3 Nd4 17. Qe4 f5 18. Qd3 f4 19. Nb5 Nxb5 20. Qxb5+ Kf7 21. Bd2 e6 22. Rac1 Qb8 23. Qb3 b6 24. Bc3 Bxc3 25. Qxc3 Rxd1+ 26. Rxd1 Rd8 27. Rc1 Rd7 28. Qc6 Qe8 29. Qe4 e5 30. Re1 Kf6 31. Qxf4+ exf4 32. Rxe8 Rd1+ 33. Kh2 Rd2 34. Rf8+ Kg5 35. Rf7 Rxb2 36. Rxa7 Rxf2 37. Kg1 Rb2 38. a4 h5 39. a5 bxa5 40. Rxa5+ Kh4 41. Ra3 g5 42. Kf1 g4 43. hxg4 hxg4 44. Ra7 Kg3 45. Ra3+ Kh2 46. Ra4 Rxg2 47. Rxf4 Rg1+ 48. Kf2 g3+ 49. Ke2 g2 50. Rf8 Rh1 51. Rh8+ Kg1 52. Rg8 Rh2 0-1

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2011.??.??"]
[Round "1"]
[White "Ronka, Erik"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1990"]
[BlackElo "1988"]
[PlyCount "63"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. a4 Nbd7 10. a5 Rc8 11. Be2 Be7 12. 0-0 h4 13. Qd2 Rg8 14. Kh1 g5 15. Bxg5 Rxc3 16. Bxf6 Nxf6 17. Qxc3 Nh5 18. f4 Nxf4 19. Bf3 Bf8 20. Nd2 Qg5 21. Rf2 Qf6 22. Raf1 Rg3 23. Qc7 Qh6 24. Qb8+ Ke7 25. Qxb7+ Kf6 26. h3 Kg7 27. Be2 Nxh3 28. Rxf7+ Bxf7 29. Qxf7+ Kh8 30. Qxf8+ Qxf8 31. Rxf8+ Kg7 32. Rf3 1-0

[Event "Mikkeli Maenpaa Memorial"]
[Site "Mikkeli"]
[Date "2011.??.??"]
[Round "2"]
[White "Sipila, Markku"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "D96"]
[WhiteElo "2045"]
[BlackElo "1988"]
[PlyCount "40"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. h3 0-0 7. Bf4 Qa5 8. e3 Nbd7 9. Ne5 Nh5 10. Nxd7 Bxd7 11. Qxb7 Nxf4 12. Qxd7 e5 13. 0-0-0 exd4 14. exd4 Rab8 15. Qd6 Ne6 16. cxd5 Nxd4 17. dxc6 Rxb2 18. Kxb2 Ne2 19. Kb3 Nxc3 20. a3 Qa4+ 0-1

[Event "Mikkeli Maenpaa Memorial"]
[Site "Mikkeli"]
[Date "2011.??.??"]
[Round "5"]
[White "Valli, Frans"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2195"]
[BlackElo "1988"]
[PlyCount "59"]
[EventDate "2011.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. 0-0-0 b5 11. Nd5 Bxd5 12. exd5 Rc8 13. Kb1 Be7 14. Na5 Qc7 15. c4 bxc4 16. Bxc4 Nc5 17. Nc6 Nfd7 18. b4 Nb6 19. Be2 Nca4 20. Rc1 Qb7 21. Bd1 0-0 22. Bb3 Bf6 23. Qc2 Rc7 24. Rhd1 e4 25. Bxa4 Nxd5 26. Rxd5 Rxc6 27. Bxc6 Qxb4+ 28. Qb3 Rb8 29. Qxb4 Rxb4+ 30. Kc2 1-0

[Event "FIN-chT1B 1011"]
[Site "Finland"]
[Date "2010.09.19"]
[Round "2.7"]
[White "Koskinen, Riku"]
[Black "Heilala, Tapio"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1975"]
[PlyCount "62"]
[EventDate "2010.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Turku TS"]
[BlackTeam "Pori PSY"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. c4 e5 2. Nc3 f5 3. g3 Nc6 4. Bg2 Nf6 5. e3 Bc5 6. a3 a5 7. Nge2 Qe7 8. 0-0 d6 9. d4 Bb6 10. d5 Nb8 11. e4 0-0 12. Be3 Bxe3 13. fxe3 Ng4 14. Qd2 Qg5 15. Rf3 Na6 16. Raf1 Bd7 17. h3 Nh6 18. Qc2 g6 19. exf5 Bxf5 20. e4 Bd7 21. Qc1 Qxc1 22. Nxc1 Rxf3 23. Rxf3 Rf8 24. Kf2 Rxf3+ 25. Kxf3 g5 26. g4 Kg7 27. Nd3 b6 28. Ke3 Ng8 29. b4 axb4 30. axb4 Kf6 31. b5 Nb8 1/2-1/2

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.07.04"]
[Round "9"]
[White "Koskinen, Riku"]
[Black "Heikkila, Antti"]
[Result "1-0"]
[ECO "A89"]
[WhiteElo "1905"]
[BlackElo "2050"]
[PlyCount "63"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 f5 4. Bg2 Nf6 5. d4 0-0 6. Bg5 d6 7. Nf3 Nc6 8. 0-0 h6 9. Bxf6 Bxf6 10. d5 Ne5 11. Nxe5 Bxe5 12. f4 Bg7 13. Qd2 c5 14. dxc6 bxc6 15. Kh1 Bd7 16. b3 Qa5 17. Rac1 Rad8 18. Ne4 Qa3 19. Nf2 a5 20. e4 a4 21. Rfe1 e5 22. b4 exf4 23. gxf4 c5 24. Qxd6 cxb4 25. e5 Bc8 26. Qxg6 Rd2 27. Rg1 Rf7 28. Bd5 Rxd5 29. cxd5 Bb7 30. Qe6 Qf3+ 31. Rg2 Qxd5 32. Rc8+ 1-0

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.07.03"]
[Round "8"]
[White "Nisula, Timo"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "1984"]
[BlackElo "1905"]
[PlyCount "60"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 Qa5 11. Qd2 b6 12. Be2 Bb7 13. f3 h5 14. 0-0 g5 15. Rfd1 d6 16. b3 h4 17. Nd5 Qxd2 18. Rxd2 Be5 19. Bf1 f6 20. Rcc2 Kf7 21. Rd1 Rag8 22. Be2 Rc8 23. Bf1 Rcg8 24. Be2 Rc8 25. Bf1 Rhg8 26. h3 Bxd5 27. Rxd5 Rc7 28. Rd1 Bf4 29. Bf2 Rgc8 30. Rb2 Be5 1/2-1/2

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.07.02"]
[Round "7"]
[White "Koskinen, Riku"]
[Black "Valkama, Eero"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1905"]
[PlyCount "53"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. Nf3 Nf6 6. a3 a6 7. b4 Ba7 8. 0-0 0-0 9. d3 Nd4 10. e3 Nf5 11. Bb2 Bxe3 12. fxe3 Nxe3 13. Qd2 Nxf1 14. Rxf1 Rb8 15. d4 exd4 16. Qxd4 Re8 17. Nd5 Re4 18. Nxf6+ Qxf6 19. Qxe4 Qd8 20. Ng5 Be6 21. Qxh7+ Kf8 22. Nxe6+ Ke7 23. Nxd8 Rxd8 24. Rxf7+ Kxf7 25. Qxg7+ Ke8 26. Bf6 Rd7 27. Qg8# 1-0

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.07.01"]
[Round "6"]
[White "Aakio, Seppo"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "2105"]
[BlackElo "1905"]
[PlyCount "87"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nb3 d6 8. Be2 0-0 9. 0-0 Bd7 10. h3 a6 11. a4 a5 12. f4 Nb4 13. Bf3 Bc6 14. Rf2 Nd7 15. Rd2 Nb6 16. Qe2 Qc7 17. Nd4 Rac8 18. Kh1 Bd7 19. Ncb5 Bxb5 20. Nxb5 Qd8 21. c3 Na6 22. e5 Nc4 23. Rdd1 Qd7 24. Bg4 e6 25. Nxd6 Nxe3 26. Qxe3 Rcd8 27. Bf3 Qc7 28. Nxb7 Rb8 29. Qa7 Ra8 30. Qd4 Rab8 31. Qd7 Qb6 32. Rd6 Qxb2 33. Rad1 Ra8 34. c4 Bh6 35. R6d4 Qc3 36. Qb5 Qe3 37. Nxa5 Nc7 38. Qb6 Rac8 39. Nc6 Kg7 40. R1d3 Qc1+ 41. Rd1 Qe3 42. a5 f6 43. Rd7+ Kh8 44. Qxe3 1-0

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.07.01"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Hautaniemi, Jarmo"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "1905"]
[PlyCount "31"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. d4 d5 6. b3 Ne4 7. Nbd2 Qa5 8. Bb2 Nd7 9. 0-0 Ndf6 10. Qe1 Qa6 11. Nxe4 Nxe4 12. cxd5 cxd5 13. Nd2 Nf6 14. f3 0-0 15. e4 Be6 16. e5 1/2-1/2

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.06.30"]
[Round "4"]
[White "Korhonen, Pasi"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2108"]
[PlyCount "36"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 c5 6. Nge2 Nc6 7. 0-0 Rb8 8. d3 a6 9. a4 Ne8 10. Be3 d6 11. h3 Nc7 12. f4 Bd7 13. d4 cxd4 14. Nxd4 b5 15. Nxc6 Bxc6 16. axb5 axb5 17. c5 b4 18. cxd6 exd6 1/2-1/2

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.06.29"]
[Round "3"]
[White "Koskinen, Riku"]
[Black "Ahokas, Heikki"]
[Result "1-0"]
[ECO "A38"]
[BlackElo "1908"]
[PlyCount "115"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 d6 7. Rb1 0-0 8. a3 Bf5 9. d3 Qd7 10. Re1 Bh3 11. Bh1 h6 12. b4 cxb4 13. axb4 Ng4 14. Bd2 Qf5 15. b5 Nce5 16. Nd5 Qd7 17. b6 Nxf3+ 18. Bxf3 Ne5 19. Bh1 a6 20. Qc1 Kh7 21. Qa3 Nc6 22. Bc3 Ne5 23. Qb2 f6 24. Ra1 Rab8 25. Ra2 Rfc8 26. Rb1 Bg4 27. Nc7 Nc6 28. Qa3 Nd8 29. Rbb2 Ne6 30. Nd5 Nc5 31. Bb4 Ne6 32. Qa4 Qd8 33. Bg2 Ng5 34. Nc7 Bd7 35. Qa3 Ne6 36. Ba5 Ng5 37. h4 Ne6 38. e3 Nc5 39. d4 Ne6 40. Qd3 Nf8 41. h5 Bf5 42. e4 Bg4 43. f3 Bd7 44. f4 gxh5 45. f5 e6 46. Bf3 exf5 47. exf5 Kh8 48. Rh2 Nh7 49. Rxh5 Ng5 50. Rah2 Be8 51. R5h4 Bf7 52. Bh5 Qd7 53. Bd2 Bxh5 54. Rxh5 Kg8 55. Bxg5 fxg5 56. f6 Bxf6 57. Rxh6 Qg7 58. Rg6 1-0

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.06.29"]
[Round "2"]
[White "Pyylampi, Sauli"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1985"]
[PlyCount "112"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. d3 d6 4. Nc3 g6 5. f4 Bg7 6. Nf3 a6 7. Be2 e6 8. 0-0 Nge7 9. Rb1 Rb8 10. a3 b5 11. Na2 bxc4 12. dxc4 a5 13. Qd3 0-0 14. Rd1 Qd7 15. Qxd6 Bd4+ 16. Rxd4 cxd4 17. Qxd7 Bxd7 18. b4 axb4 19. axb4 f6 20. b5 e5 21. g3 Bg4 22. Kg2 Bxf3+ 23. Kxf3 Rfd8 24. Bd3 Ra8 25. bxc6 Rxa2 26. c7 Rc8 27. Rb8 Ra7 28. fxe5 fxe5 29. Rb5 Nc6 30. Kg4 Rcxc7 31. h4 Rab7 32. Rd5 Rd7 33. c5 Nb4 34. Rxd7 Rxd7 35. Bc4+ Kg7 36. Bd2 Nc6 37. Bd5 Rc7 38. Kf3 Kf8 39. Ke2 Ke7 40. Kd3 Kd7 41. Kc4 Ra7 42. Bg8 Ra2 43. Bg5 Rc2+ 44. Kd5 d3 45. Be6+ Kc7 46. Bg4 Rc3 47. Bd2 Rc2 48. Bg5 Rg2 49. Bd1 d2 50. Be3 Rxg3 51. Bf2 Rc3 52. h5 Rc1 53. Be2 d1Q+ 54. Bxd1 Rxd1+ 55. Ke6 gxh5 56. Bh4 Rh1 0-1

[Event "FIN-ch op"]
[Site "Naantali"]
[Date "2010.06.28"]
[Round "1"]
[White "Koskinen, Riku"]
[Black "Nieminen, Markus"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "152"]
[EventDate "2010.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 e5 6. Nge2 0-0 7. 0-0 d6 8. d4 Nbd7 9. h3 Nb6 10. b3 exd4 11. Nxd4 d5 12. Bg5 h6 13. Be3 dxc4 14. Qe2 cxb3 15. axb3 Qe7 16. f4 Rd8 17. Qf2 Qb4 18. Na2 Qe7 19. Nc3 Nfd7 20. f5 Re8 21. Nde2 gxf5 22. Bxb6 Nxb6 23. exf5 Qe3 24. f6 Bf8 25. Kh2 Qxf2 26. Rxf2 Be6 27. Rf4 Nd5 28. Nxd5 Bxd5 29. Rg4+ Kh8 30. Nd4 Bxg2 31. Kxg2 Re5 32. b4 a6 33. Rf1 Rae8 34. Nf5 Re4 35. Rff4 Rxf4 36. Rxf4 Kh7 37. g4 Re6 38. Nd4 Re5 39. Nf3 Rb5 40. Rd4 Bxb4 41. h4 Bc3 42. Rf4 Rd5 43. g5 b5 44. Re4 hxg5 45. hxg5 a5 46. Kg3 Rd8 47. Rh4+ Kg8 48. Rf4 a4 49. g6 fxg6 50. f7+ Kf8 51. Ng5 Be5 52. Ne6+ Ke7 53. Nxd8 Bxf4+ 54. Kxf4 a3 55. Nxc6+ Kxf7 56. Nb4 Ke6 57. Ke4 Kd6 58. Kd4 g5 59. Kc3 g4 60. Nd3 g3 61. Ne1 b4+ 62. Kb3 Kd5 63. Nc2 Ke4 64. Ne1 Ke3 65. Kxb4 Ke2 66. Nc2 a2 67. Kb3 g2 68. Kxa2 g1Q 69. Kb3 Kd2 70. Nb4 Qc5 71. Na2 Qc2+ 72. Ka3 Qb1 73. Nb4 Kc3 74. Nd5+ Kc4 75. Ne3+ Kd4 76. Ng4 Kc3 0-1

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "3"]
[White "Elomaa, Arto"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B39"]
[PlyCount "68"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 Qa5 11. Be2 Bxc3 12. bxc3 b6 13. 0-0 Bb7 14. Bd3 Rc8 15. Qe2 Qxc3 16. Rac1 Qa5 17. f4 Nc5 18. Bd4 Rg8 19. Bxc5 Qxc5+ 20. Kh1 f5 21. exf5 gxf5 22. Qh5+ Kd8 23. Rc2 e6 24. Rd1 Kc7 25. Bf1 Rg7 26. Qe2 Rcg8 27. Qd3 Be4 28. Qb3 Bxc2 29. Qxc2 h5 30. Qe2 h4 31. h3 Rg3 32. Kh2 Qe3 33. Qh5 Rxh3+ 34. gxh3 Qg1# 0-1

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "7"]
[White "Immonen, Vihtori"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "1926"]
[PlyCount "69"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 Nf6 7. Nc3 b6 8. Be2 Bb7 9. f3 d6 10. 0-0 h5 11. Be3 Qd7 12. Rc1 g5 13. Bxg5 0-0-0 14. Nd5 Rdg8 15. Bxf6 Bxf6 16. Nxf6 exf6 17. Ne3 Rg6 18. Nf5 Kc7 19. Rf2 h4 20. Bf1 h3 21. g3 Ne7 22. Nd4 a6 23. b4 f5 24. c5 Kb8 25. exf5 Nxf5 26. Nxf5 Qxf5 27. Bd3 Rxg3+ 28. hxg3 Qg5 29. Kh2 Rg8 30. Qg1 f5 31. c6 f4 32. g4 Bc8 33. Re2 Bxg4 34. Qxb6+ Kc8 35. Bxa6# 1-0

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "6"]
[White "Koskinen, Riku"]
[Black "Linden, Lari"]
[Result "1-0"]
[ECO "A49"]
[BlackElo "1864"]
[PlyCount "103"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. 0-0 0-0 5. d4 d6 6. Re1 Nbd7 7. e4 e5 8. c3 Re8 9. a4 exd4 10. Nxd4 Nc5 11. Qc2 c6 12. b4 Ncd7 13. Bb2 Qc7 14. Nd2 Nf8 15. Rad1 Bg4 16. f3 Bd7 17. N2b3 Rad8 18. Kh1 a6 19. Rd2 c5 20. Ne2 Bxa4 21. c4 cxb4 22. Ned4 N8d7 23. Qd3 Nc5 24. Qe3 Nxb3 25. Nxb3 Bxb3 26. Qxb3 a5 27. f4 Nd7 28. Bxg7 Kxg7 29. f5 Ne5 30. Rf1 f6 31. fxg6 hxg6 32. Qb2 Qe7 33. Qb3 Qe6 34. Rdf2 Rf8 35. Qa2 b6 36. Rf4 Qxc4 37. Qd2 Qe6 38. Rh4 Rh8 39. Bh3 Qe7 40. Qg2 b3 41. Rhf4 Rdf8 42. Bg4 Nxg4 43. Rxg4 Qe6 44. Rgf4 a4 45. Qf2 b5 46. Qb6 Qd7 47. Qd4 Qd8 48. g4 g5 49. Rf5 Kg6 50. Rxb5 Qa8 51. Rd5 a3 52. Rxd6 1-0

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Olander, Aleksi"]
[Result "1-0"]
[ECO "A25"]
[BlackElo "1902"]
[PlyCount "110"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. Rb1 Bd6 6. a3 a5 7. Qa4 0-0 8. b4 Be7 9. b5 Nd4 10. e3 Ne6 11. Nge2 e4 12. Qc2 Nc5 13. Nf4 g5 14. d4 gxf4 15. dxc5 fxe3 16. Bxe3 Ng4 17. Bd4 Bf6 18. h3 Ne5 19. Bxe5 Bxe5 20. g4 Qh4 21. gxf5 e3 22. Bd5+ Kh8 23. Nd1 exf2+ 24. Nxf2 c6 25. Be4 d5 26. cxd6 Bd4 27. Kf1 Bxf2 28. Qxf2 Qxe4 29. Qb2+ Kg8 30. Rg1+ Kf7 31. Rg7+ Ke8 32. Re7+ Qxe7 33. dxe7 Rxf5+ 34. Kg2 Kxe7 35. Qg7+ Rf7 36. Qg5+ Kf8 37. Qc5+ Kg8 38. bxc6 Bf5 39. Rxb7 Be4+ 40. Kg1 Rxb7 41. cxb7 Bxb7 42. Qg5+ Kf7 43. Qf5+ Kg8 44. c5 Rf8 45. Qe6+ Kg7 46. c6 Bc8 47. Qe5+ Kg6 48. h4 a4 49. Qe7 Rg8 50. Kh2 Ba6 51. c7 Bb7 52. h5+ Kh6 53. Qe3+ Kg7 54. h6+ Kf8 55. c8Q+ Bxc8 1-0

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Raisanen, Kim"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2133"]
[PlyCount "80"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Nh6 6. Nf3 Bg4 7. Nc3 Nc6 8. Bb5 Nf5 9. Be3 Bg7 10. 0-0 0-0 11. Bxc6 bxc6 12. h3 Bxf3 13. Qxf3 f6 14. exf6 Bxf6 15. Qd1 e5 16. Ne2 Qb6 17. g4 Nxe3 18. fxe3 exd4 19. exd4 Qxb2 20. Rc1 Rac8 21. Qd3 Qb6 22. Rf4 Bg5 23. Rxf8+ Rxf8 24. Rb1 Qc7 25. Rf1 Re8 26. Qf3 Qe7 27. Ng3 Be3+ 28. Kg2 Bxd4 29. h4 Rf8 30. Qd3 Rxf1 31. Kxf1 Qf6+ 32. Kg2 Qf2+ 33. Kh3 Be5 34. Nf1 Kg7 35. h5 Qb2 36. Kh4 Qd4 37. Qf3 Bf6+ 38. Kg3 Qc3 39. Ne3 Bd4 40. h6+ Kg8 0-1

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "9"]
[White "Koskinen, Riku"]
[Black "Torkkola, Henri"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "2023"]
[PlyCount "6"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nf3 d5 1/2-1/2

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "5"]
[White "Norri, Roger"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "1896"]
[PlyCount "56"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. c4 c5 5. Nc3 Nc6 6. 0-0 Rb8 7. d4 cxd4 8. Nxd4 0-0 9. Bf4 e5 10. Nxc6 bxc6 11. Bxe5 Rxb2 12. Qd4 Ne8 13. Bxg7 Nxg7 14. Qxa7 Rc2 15. Rfc1 Rxc1+ 16. Rxc1 Re8 17. a4 Nf5 18. Ne4 d5 19. Rd1 Be6 20. cxd5 Bxd5 21. Nc3 Qf6 22. Bxd5 cxd5 23. Nxd5 Qe6 24. Nf4 Qe4 25. Qd7 Re7 26. Qd8+ Kg7 27. Nd5 Nh4 28. f3 Qxe2 0-1

[Event "FIN-ch U18/20"]
[Site "Espoo"]
[Date "2010.06.??"]
[Round "1"]
[White "Setala, Touko"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2013"]
[PlyCount "61"]
[EventDate "2010.06.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d6 5. Nf3 Bg4 6. Be2 Nd7 7. Be3 Ngf6 8. 0-0 Qc7 9. e5 Nd5 10. Nxd5 cxd5 11. h3 Bf5 12. c3 Nb6 13. Bf2 a6 14. a4 Rc8 15. Nd2 Nc4 16. Nxc4 dxc4 17. Bf3 Rd8 18. g4 Bd3 19. Re1 d5 20. Bg3 e6 21. Bh4 Rb8 22. b4 0-0 23. Qd2 Rfe8 24. Kf2 Bf8 25. f5 gxf5 26. Rg1 Be7 27. gxf5+ Kh8 28. f6 Bf8 29. Bg5 Qb6 30. Bh5 Bg6 31. Bxg6 1-0

[Event "FIN-chT1A 0910"]
[Site "Finland"]
[Date "2010.03.20"]
[Round "7.8"]
[White "Koskinen, Riku"]
[Black "Ruokamo, Sami"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "43"]
[EventDate "2009.09.19"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Turku TS II"]
[BlackTeam "Espoo SK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. c4 e5 2. Nc3 Bc5 3. g3 Nc6 4. Bg2 f6 5. e3 Nge7 6. Nge2 0-0 7. 0-0 d6 8. a3 Bd7 9. d4 exd4 10. exd4 Bb6 11. b4 a6 12. Nd5 Nxd5 13. Bxd5+ Kh8 14. Bb2 Rb8 15. Nf4 Ne7 16. Be6 Re8 17. d5 Bxe6 18. Nxe6 Qc8 19. Qf3 c5 20. Bxf6 gxf6 21. Qxf6+ Kg8 22. Qg7# 1-0

[Event "Helsinki We HSK Eero Book 100 8th"]
[Site "Helsinki"]
[Date "2010.??.??"]
[Round "4"]
[White "Alkkiomaki, Jyrki"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "2040"]
[PlyCount "75"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Be2 Qa5 11. Qd2 Bxc3 12. bxc3 b6 13. 0-0 Bb7 14. f3 d6 15. Rae1 Rc8 16. Bd3 Ba6 17. f4 Bxc4 18. Bxc4 Rxc4 19. f5 Nd8 20. Bd4 f6 21. Qh6 Nf7 22. Qg7 g5 23. Re3 Qxa2 24. Rh3 Rc8 25. Rxh7 Rxh7 26. Qxh7 b5 27. h4 gxh4 28. Qxh4 a5 29. Qe1 a4 30. Qd1 Qc4 31. Qa1 Kd7 32. Qb2 Ng5 33. Qb1 Rg8 34. Kf2 Rh8 35. Re1 Rb8 36. Qc2 Rh8 37. Rb1 Rh4 38. Re1 0-1

[Event "Tampere We TammerSh 3rd"]
[Site "Tampere"]
[Date "2010.??.??"]
[Round "3"]
[White "Auvinen, Esa"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2001"]
[PlyCount "46"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. g3 Bg7 6. Be3 Nf6 7. Bg2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Bd4 e5 12. Bc5 Re8 13. c4 Qa5 14. Ba3 Ba6 15. cxd5 Bxf1 16. Kxf1 cxd5 17. Bxd5 Rad8 18. Nc3 e4 19. Qb3 Rb8 20. Bxf7+ Kh8 21. Qa4 Bxc3 22. Bxe8 Qe5 23. bxc3 Rxe8 1-0

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2010.??.??"]
[Round "5"]
[White "Erlund, Kaj"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "78"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 dxe4 10. Nxc6 Qxd2+ 11. Rxd2 bxc6 12. fxe4 Ng4 13. Nd1 Nxe3 14. Nxe3 Bh6 15. Rd3 Ba6 16. Ra3 Bxf1 17. Rxf1 Rfd8 18. Kb1 Bxe3 19. Rxe3 Rd2 20. Rd3 Rxg2 21. Rd7 Kf8 22. b3 Rxh2 23. Rfd1 g5 24. Rc7 g4 25. Rxc6 g3 26. Rg1 g2 27. Kb2 h5 28. Rc5 f6 29. Rd5 h4 30. a4 h3 31. Rdd1 e6 32. b4 f5 33. exf5 exf5 34. b5 f4 35. Rge1 Re8 36. Rxe8+ Kxe8 37. a5 Rh1 38. Rd3 g1Q 39. Rb3 Qa1# 0-1

[Event "Kajaani We KaSY"]
[Site "Kajaani"]
[Date "2010.??.??"]
[Round "4"]
[White "Gubaidullin, Mannifanzil"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1790"]
[PlyCount "82"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Bd3 0-0 6. 0-0 b6 7. b3 Bb7 8. Bb2 Nfd7 9. c4 c5 10. Rc1 e6 11. Qe2 Nc6 12. Rfd1 Qe7 13. a3 Rfe8 14. Nb1 cxd4 15. exd4 Na5 16. b4 Nxc4 17. Bxc4 dxc4 18. b5 Rec8 19. Nbd2 c3 20. Bxc3 Qxa3 21. Nb1 Qb3 22. Nfd2 Qd5 23. f3 Bxd4+ 24. Kh1 Bxc3 25. Nxc3 Qe5 26. Nde4 Bxe4 27. Rxd7 Rxc3 28. Rcd1 Rc5 29. fxe4 Rxb5 30. Qf3 Rf8 31. Rxa7 Ra5 32. Rad7 Ra1 33. Rxa1 Qxa1+ 34. Rd1 Qe5 35. Rd7 b5 36. g3 b4 37. Rb7 Qc5 38. Kg2 Qc2+ 39. Kh3 Qc4 40. Kg2 e5 41. Kh3 Qc8+ 0-1

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2010.??.??"]
[Round "3"]
[White "Hosia, Akseli"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1834"]
[PlyCount "43"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 e6 2. Bb2 Nf6 3. a3 d5 4. Nf3 Bd6 5. e3 a6 6. c4 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. d4 0-0 10. Nbd2 Nbd7 11. Qc2 a5 12. Bxb5 axb4 13. a4 Ba6 14. Nc4 Bxb5 15. axb5 Rb8 16. Nxd6 cxd6 17. Qc4 Qb6 18. Qxb4 Qxb5 19. Qxb5 Rxb5 20. Ba3 Ra8 21. 0-0 Rba5 22. Bb2 1/2-1/2

[Event "Salo We SalSK"]
[Site "Salo"]
[Date "2010.??.??"]
[Round "4"]
[White "Johansson, Jukka"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2111"]
[PlyCount "88"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 Qa5 10. Bd2 Qxa2 11. 0-0 Qa5 12. Rb5 Qd8 13. Rxc5 b6 14. Rb5 Ba6 15. Rb1 Bxe2 16. Qxe2 Nd7 17. Rfc1 Qc7 18. Be3 Rfc8 19. Nd2 a5 20. Qb5 a4 21. Ra1 Ra5 22. Qb4 Rh5 23. f4 Nf6 24. g3 Ng4 25. Nf1 b5 26. Qb2 Qc4 27. Qd2 Rd8 28. Kg2 Qe6 29. e5 Bh6 30. Kg1 Qc4 31. Rab1 f6 32. Rb4 Qc6 33. Qe2 f5 34. Rxb5 g5 35. Rb2 gxf4 36. Bxf4 Bxf4 37. gxf4 Rxd4 38. Rb8+ Kf7 39. Qa2+ Rc4 40. Rb4 Qc5+ 41. Kh1 Qd5+ 42. Kg1 Qc5+ 43. Kh1 Nf2+ 44. Kg2 Qd5+ 0-1

[Event "Kajaani We KaSY"]
[Site "Kajaani"]
[Date "2010.??.??"]
[Round "2"]
[White "Kamalov, Rashit"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "34"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nxc6 bxc6 7. Bd4 Qa5+ 8. Bc3 Bxc3+ 9. Nxc3 Nf6 10. Bd3 Rb8 11. Rb1 Rxb2 12. Kd2 Rxb1 13. Qxb1 Qg5+ 14. Ke2 Qxg2 15. h3 Nh5 16. Ke3 Qg5+ 17. Kf3 Qf6+ 0-1

[Event "Salo We SalSK"]
[Site "Salo"]
[Date "2010.??.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Auvinen, Esa"]
[Result "1/2-1/2"]
[ECO "E15"]
[BlackElo "2001"]
[PlyCount "101"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. b3 0-0 6. g3 Nbd7 7. Bg2 c6 8. 0-0 b6 9. Bf4 Ba6 10. Ne5 Rc8 11. Qd2 Nxe5 12. dxe5 Nd7 13. cxd5 cxd5 14. h4 Qc7 15. Rac1 Bb4 16. Nxd5 Bxd2 17. Rxc7 Rxc7 18. Nxc7 Bxf4 19. Nxa6 Bxe5 20. Rd1 Nf6 21. Nb4 g6 22. Nc6 Bb8 23. e4 Kg7 24. Bf3 Rc8 25. e5 Ng8 26. Rd7 a5 27. Nd8 Kf8 28. Rxf7+ Ke8 29. Rg7 Rxd8 30. Rxg8+ Ke7 31. Rg7+ Kf8 32. Rb7 Bxe5 33. Rxb6 Rd6 34. Rxd6 Bxd6 35. Bc6 h6 36. Kg2 g5 37. hxg5 hxg5 38. Kh3 Ke7 39. Kg4 Kf6 40. Kf3 Bc5 41. Ke2 Kf5 42. f3 g4 43. Bd7 Bd6 44. fxg4+ Kxg4 45. Bxe6+ Kxg3 46. Kd3 Kf4 47. Kc4 Ke5 48. Kb5 Bb4 49. Bc4 Kd6 50. a3 Bxa3 51. Kxa5 1/2-1/2

[Event "Helsinki We HSK Eero Book 100 8th"]
[Site "Helsinki"]
[Date "2010.??.??"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Heikkila, Antti"]
[Result "0-1"]
[ECO "A86"]
[BlackElo "2057"]
[PlyCount "63"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. d4 0-0 6. e3 d6 7. Nge2 c6 8. 0-0 Nbd7 9. b4 a5 10. b5 c5 11. a4 e5 12. Ba3 Rb8 13. f3 Bh6 14. Qd3 b6 15. d5 e4 16. fxe4 Ne5 17. Qb1 Nxc4 18. exf5 Nd2 19. Qd3 Nxf1 20. fxg6 Nxe3 21. gxh7+ Nxh7 22. Qg6+ Bg7 23. Be4 Ng5 24. h4 Nxe4 25. Qxe4 Qe8 26. Bc1 Qxe4 27. Nxe4 Bxa1 28. Bxe3 Bg4 29. Nf4 Rbe8 30. Nxd6 Rxe3 31. Kf2 Rxf4+ 32. gxf4 0-1

[Event "Kajaani We KaSY"]
[Site "Kajaani"]
[Date "2010.??.??"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Huovinen, Jere"]
[Result "1/2-1/2"]
[ECO "D78"]
[PlyCount "53"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c6 6. d4 d5 7. b3 Bf5 8. 0-0 Ne4 9. Bb2 Nxc3 10. Bxc3 Be4 11. e3 e6 12. Qe2 Nd7 13. Nd2 Bxg2 14. Kxg2 f5 15. Rab1 a6 16. Bb4 Rf7 17. Bd6 Nf6 18. c5 b5 19. b4 Ne4 20. Nxe4 fxe4 21. f4 exf3+ 22. Rxf3 Rxf3 23. Qxf3 Qf6 24. Qxf6 Bxf6 25. a4 Bg5 26. Bf4 Bd8 27. a5 1/2-1/2

[Event "Helsinki We HSK Eero Book 100 8th"]
[Site "Helsinki"]
[Date "2010.??.??"]
[Round "3"]
[White "Koskinen, Riku"]
[Black "Immonen, Vihtori"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "1926"]
[PlyCount "93"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 e5 7. d3 Nc6 8. Rb1 h6 9. b4 Be6 10. a4 Qd7 11. Re1 Bh3 12. Bh1 Ng4 13. b5 Ne7 14. Qb3 Kh7 15. Ne4 Kh8 16. c5 d5 17. Nc3 f5 18. c6 bxc6 19. bxc6 Qxc6 20. Ba3 Rab8 21. Qxb8 Rxb8 22. Rxb8+ Ng8 23. Rc1 e4 24. Nb5 e3 25. fxe3 Qe6 26. Bc5 d4 27. e4 fxe4 28. Nbxd4 Qf6 29. dxe4 Qa6 30. Bg2 Bxg2 31. Kxg2 Qxa4 32. h3 Ne5 33. Rb4 Qa6 34. Rf1 Nd7 35. Rb5 c6 36. Bf8 cxb5 37. Bxg7+ Kxg7 38. e5 Ne7 39. e6 Nc5 40. Ne5 Nxe6 41. Rf7+ Kg8 42. Rf6 Qb7+ 43. Ndf3 Nd4 44. Rd6 Nxf3 45. Rd7 Nh4+ 46. Kf2 Qg2+ 47. Ke1 0-1

[Event "Salo We SalSK"]
[Site "Salo"]
[Date "2010.??.??"]
[Round "5"]
[White "Koskinen, Riku"]
[Black "Jarvenpaa, Jari"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "2106"]
[PlyCount "88"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Qc7 6. Qd4 Ne7 7. b4 Nbc6 8. Bb5 Bd7 9. Qb2 Qxe5 10. c3 Nf5 11. Nf3 Qc7 12. Bd4 f6 13. 0-0 e5 14. Re1 Be7 15. Bxc6 bxc6 16. Nxe5 fxe5 17. Bxe5 Qb7 18. c4 0-0 19. Bxg7 Nxg7 20. Rxe7 Nf5 21. Re5 Rae8 22. Rxe8 Rxe8 23. Nc3 dxc4 24. a4 Qc7 25. b5 Qe5 26. Qd2 Nd4 27. f4 Qxc5 28. Qf2 Nb3 29. Rd1 cxb5 30. axb5 Qxf2+ 31. Kxf2 Nc5 32. Rd5 Nd3+ 33. Kf3 Bc8 34. Rd4 Bb7+ 35. Kg4 Bxg2 36. Rxc4 Re7 37. Kg5 Kg7 38. f5 h6+ 39. Kh4 Ne5 40. Rc5 Kf6 41. Ne2 Rg7 42. Ng3 Rg4+ 43. Kh5 Rg5+ 44. Kxh6 Nf7+ 0-1

[Event "Kajaani We KaSY"]
[Site "Kajaani"]
[Date "2010.??.??"]
[Round "3"]
[White "Koskinen, Riku"]
[Black "Julkunen, Tapio"]
[Result "1/2-1/2"]
[ECO "E07"]
[BlackElo "1987"]
[PlyCount "47"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. b3 c6 5. Bg2 Be7 6. 0-0 0-0 7. d4 Nbd7 8. Bb2 Ne4 9. Nbd2 Ndf6 10. Nxe4 Nxe4 11. Nd2 Nxd2 12. Qxd2 a5 13. a3 Bd7 14. c5 b6 15. b4 axb4 16. axb4 Qc7 17. Bc3 b5 18. Ra2 Rfb8 19. Rfa1 Qb7 20. Qb2 h6 21. Ra3 Bf6 22. Qa2 Rxa3 23. Qxa3 g6 24. e3 1/2-1/2

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2010.??.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Kopsa, Petri"]
[Result "0-1"]
[ECO "E62"]
[BlackElo "2086"]
[PlyCount "102"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c6 6. d4 d6 7. 0-0 Qa5 8. e4 Bg4 9. h3 Bxf3 10. Qxf3 Nfd7 11. Be3 Qb4 12. Rfc1 Nb6 13. b3 c5 14. Ne2 Nc6 15. Rd1 Nd7 16. Bd2 Qb6 17. dxc5 dxc5 18. Bc3 Nde5 19. Qe3 Rad8 20. f4 Nd7 21. Bxg7 Kxg7 22. Rd2 e5 23. Rad1 Nd4 24. Qc3 Nb8 25. Qe3 Nxe2+ 26. Qxe2 Nc6 27. f5 Rd4 28. Rf1 f6 29. fxg6 hxg6 30. Rxd4 cxd4 31. Qg4 d3+ 32. Kh2 Qe3 33. h4 Rd8 34. Qe6 Rf8 35. Rf3 Qd4 36. Qd5 Rd8 37. Qe6 Rd6 38. Qg4 d2 39. h5 g5 40. Qf5 Ne7 41. h6+ Kxh6 42. Qh3+ Kg7 43. c5 Qxc5 44. b4 Qc1 45. Rxf6 Rxf6 46. Qd7 Rf7 47. Qd6 d1Q 48. Qxe5+ Kg8 49. Qb8+ Nc8 50. Qe5 Rh7+ 51. Bh3 Qh1# 0-1

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2010.??.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Linden, Lari"]
[Result "0-1"]
[ECO "A16"]
[BlackElo "1864"]
[PlyCount "64"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nf6 5. Nf3 d6 6. 0-0 0-0 7. Rb1 h6 8. d3 Nc6 9. b4 Be6 10. Bd2 Qd7 11. Re1 Bh3 12. Bh1 Ng4 13. a4 f5 14. b5 Ne7 15. Qb3 Kh7 16. e3 g5 17. a5 Ng6 18. a6 b6 19. Nd5 Rae8 20. Re2 Rf7 21. Nb4 Nf6 22. Nc6 Bg4 23. e4 fxe4 24. dxe4 Ref8 25. Qd3 Ne7 26. Ncxe5 dxe5 27. Qe3 Qe6 28. Bc3 Nd7 29. h4 Bxf3 30. hxg5 Bxe2 31. Qxe2 Rxf2 32. Qh5 Qf7 0-1

[Event "Turku We TSY"]
[Site "Turku"]
[Date "2010.??.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Norri, Roger"]
[Result "1/2-1/2"]
[ECO "A12"]
[BlackElo "1896"]
[PlyCount "75"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. b3 Bf5 5. d4 e6 6. Bg2 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 Nbd7 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qc2 Qc7 12. 0-0 0-0 13. Rac1 Rac8 14. e3 Qa5 15. b4 Qa6 16. c5 e5 17. a4 exd4 18. exd4 Qe2 19. Bf3 Qe6 20. Rfe1 Qf5 21. Qxf5 gxf5 22. b5 Ne4 23. Bxe4 fxe4 24. Rc2 f5 25. Nb3 Rb8 26. Na5 Rfc8 27. Rb1 a6 28. Rcb2 axb5 29. axb5 Kf7 30. bxc6 bxc6 31. Nb7 Ke6 32. Kg2 Rc7 33. Nd6 Rxb2 34. Rxb2 Ra7 35. Nb7 Ke7 36. Nd6 Ke6 37. Nb7 Ke7 38. Nd6 1/2-1/2

[Event "Tampere We TammerSh 3rd"]
[Site "Tampere"]
[Date "2010.??.??"]
[Round "1"]
[White "Koskinen, Riku"]
[Black "Olander, Aleksi"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1902"]
[PlyCount "54"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. d3 Bb4 6. Bd2 0-0 7. a3 Bxc3 8. Bxc3 Qe8 9. Nf3 d6 10. 0-0 Qh5 11. b4 f4 12. e4 Bh3 13. Nh4 Bg4 14. Bf3 g5 15. Bxg4 Nxg4 16. h3 fxg3 17. Qxg4 Qxg4 18. hxg4 gxf2+ 19. Kg2 gxh4 20. Rad1 Rf4 21. Kh3 Ne7 22. Kxh4 Ng6+ 23. Kg3 Raf8 24. Rd2 Rf3+ 25. Kh2 R8f6 26. Bb2 Nf4 27. g5 Rh3# 0-1

[Event "Turku We TuTS"]
[Site "Turku"]
[Date "2010.??.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Olander, Aleksi"]
[Result "1/2-1/2"]
[ECO "D53"]
[BlackElo "1902"]
[PlyCount "16"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. c4 d5 5. Nc3 c6 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 b5 1/2-1/2

[Event "Tampere We TammerSh 3rd"]
[Site "Tampere"]
[Date "2010.??.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Perho, Aki"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "59"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 Nge7 7. a3 Be6 8. d3 h6 9. Rb1 Qd7 10. Re1 0-0 11. b4 f5 12. b5 Nd8 13. e3 g5 14. a4 f4 15. exf4 exf4 16. Bb2 fxg3 17. fxg3 Bg4 18. Rf1 Ne6 19. Qd2 Nd4 20. Nxd4 Bxd4+ 21. Kh1 Nf5 22. Nd5 Qg7 23. Bxd4 Nxd4 24. Qe3 Kh8 25. Nxc7 Nf5 26. Qe4 Qxc7 27. Qxg4 Qc5 28. Be4 Ne3 29. Qd7 Rxf1+ 30. Rxf1 1-0

[Event "Turku We TuTS"]
[Site "Turku"]
[Date "2010.??.??"]
[Round "2"]
[White "Koskinen, Riku"]
[Black "Sandholm, Kalevi"]
[Result "1-0"]
[ECO "B51"]
[PlyCount "53"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Re1 e6 6. c3 Nge7 7. d4 cxd4 8. cxd4 Ng6 9. Nc3 Be7 10. Be3 0-0 11. Rc1 a6 12. Be2 f5 13. d5 fxe4 14. Nxe4 exd5 15. Qxd5+ Kh8 16. Nxd6 Bxd6 17. Qxd6 Rf6 18. Qd2 Qe8 19. Bc4 Nge5 20. Nxe5 Nxe5 21. Bd4 Nf3+ 22. gxf3 Qg6+ 23. Kf1 Rxf3 24. Re7 Bh3+ 25. Ke2 Bg4 26. Bxg7+ Qxg7 27. Rxg7 1-0

[Event "Helsinki We HSK Eero Book 100 8th"]
[Site "Helsinki"]
[Date "2010.??.??"]
[Round "1"]
[White "Koskinen, Riku"]
[Black "Satonen, Arto"]
[Result "0-1"]
[ECO "D33"]
[BlackElo "2177"]
[PlyCount "44"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 Nc6 6. g3 Nf6 7. Bg5 cxd4 8. Nxd4 h6 9. Bxf6 Qxf6 10. Ndb5 Bc5 11. Nc7+ Kf8 12. e3 d4 13. N3d5 Qe5 14. Rc1 Bd6 15. Nxa8 Qxd5 16. Rxc6 Qxc6 17. Qxd4 Ke7 18. Rg1 Be6 19. Qxa7 Bb4+ 20. Ke2 Qc2+ 21. Kf3 Bd5+ 22. Kg4 Qg6+ 0-1

[Event "Loimaa We LoimSK"]
[Site "Loimaa"]
[Date "2010.??.??"]
[Round "4"]
[White "Koskinen, Riku"]
[Black "Tuomola, Tommi"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "68"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nf3 d6 6. 0-0 0-0 7. d3 Bg4 8. a3 a6 9. b4 Bb6 10. b5 Nd4 11. Nxd4 Bxd4 12. Qc2 axb5 13. cxb5 Bxe2 14. Re1 Bg4 15. Bxb7 Rb8 16. Bc6 Bd7 17. Be3 Bxc6 18. bxc6 Bxe3 19. fxe3 d5 20. a4 d4 21. Nb5 dxe3 22. Qc3 Re8 23. Rab1 Nd5 24. Qc5 Ra8 25. Ra1 Re6 26. a5 Ra6 27. Na7 Qd6 28. Qb5 Nb4 29. Rab1 Rxa7 30. Qb8+ Qf8 31. Qxa7 Nxc6 32. Qxc7 e2 33. Rxe2 Qc5+ 34. Rf2 Qxa5 1-0

[Event "Turku We TuTS"]
[Site "Turku"]
[Date "2010.??.??"]
[Round "5"]
[White "Koykka, Pekka"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2157"]
[PlyCount "43"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nf3 d5 4. e3 Nbd7 5. Nbd2 Be7 6. Bd3 b6 7. 0-0 Bb7 8. Qe2 0-0 9. c3 c5 10. Ne5 Nxe5 11. dxe5 Ne4 12. Bf4 Nxd2 13. Qxd2 Bg5 14. Bg3 Bh4 15. Qc2 g6 16. Bf4 Bg5 17. Qa4 c4 18. Be2 Bxf4 19. exf4 Qe7 20. Bf3 Rfc8 21. Qd1 b5 22. g3 1/2-1/2

[Event "Salo We SalSK"]
[Site "Salo"]
[Date "2010.??.??"]
[Round "3"]
[White "Leino, Pauli"]
[Black "Koskinen, Riku"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "92"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Ba3 0-0 8. Bc4 a6 9. Nf3 b5 10. Bb3 Bb7 11. Qe2 Nd7 12. Rd1 c5 13. 0-0 Qc7 14. e5 c4 15. Bc2 Nb6 16. Ng5 Nd5 17. e6 f6 18. Nxh7 Nf4 19. Qg4 Kxh7 20. Bxg6+ Nxg6 21. Qh5+ Bh6 22. Bc1 Nf4 23. Qf5+ Kh8 24. Rfe1 Bxg2 25. Re3 Rg8 26. Rg3 Bh3 27. Qe4 Rxg3+ 28. hxg3 Rg8 29. Kh2 Bg4 30. Rh1 f5 31. Qe3 Rg6 32. gxf4 Kg7 33. Rg1 Qd6 34. f3 Bh5 35. Rxg6+ Bxg6 36. Kg3 Kf6 37. Qe5+ Qxe5 38. fxe5+ Kg7 39. f4 Kf8 40. d5 Bh7 41. Be3 Ke8 42. Bb6 Bf8 43. Kf3 Bg6 44. Ke3 Bh5 45. Kd4 Bf3 46. a3 Be2 0-1

[Event "Tampere We TammerSh 3rd"]
[Site "Tampere"]
[Date "2010.??.??"]
[Round "5"]
[White "Leisti, Simo"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "79"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. c3 Bg7 5. 0-0 d6 6. d4 Nf6 7. d5 Na5 8. Bd3 c4 9. Bxc4 Nxe4 10. Bd3 Nc5 11. b4 Nxd3 12. Qxd3 Bf5 13. Qb5+ Kf8 14. bxa5 h5 15. Bg5 f6 16. Be3 h4 17. Nd4 h3 18. g3 Qc8 19. Nd2 Rh4 20. gxh4 Bd3 21. Ne6+ Qxe6 22. dxe6 Bxb5 23. Rfb1 Bc6 24. Bd4 Bh6 25. Nf1 Kg7 26. Be3 g5 27. hxg5 fxg5 28. Ng3 Kg6 29. Rb4 Rf8 30. a6 b6 31. Rc4 Bb5 32. Rc7 Bg7 33. Rc1 Be5 34. Rxe7 Bxg3 35. hxg3 Bc6 36. Kh2 g4 37. Rxa7 d5 38. e7 Rf3 39. Rc7 Ba4 40. a7 1-0

[Event "Helsinki We HSK Eero Book 100 8th"]
[Site "Helsinki"]
[Date "2010.??.??"]
[Round "2"]
[White "Liu, Dennis"]
[Black "Koskinen, Riku"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1608"]
[PlyCount "38"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qd7 12. Nxc6 bxc6 13. Qxd7 Bxd7 14. Rfd1 Rfd8 15. Bd4 Bg4 16. Bxg4 Bxd4 17. c3 Bf6 18. Bf3 Rxd1+ 19. Rxd1 Rb8 1/2-1/2

[Event "Salo We SalSK"]
[Site "Salo"]
[Date "2010.??.??"]
[Round "1"]
[White "Luukkonen, Tommi"]
[Black "Koskinen, Riku"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2301"]
[PlyCount "53"]
[EventDate "2010.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Re1 e5 7. c3 d6 8. d4 cxd4 9. cxd4 Bg4 10. dxe5 Bxf3 11. Qxf3 Bxe5 12. Nd2 Qf6 13. Qh3 Bxb2 14. e5 Bxe5 15. f4 Qxf4 16. Ne4 Qxh2+ 17. Qxh2 Bxh2+ 18. Kxh2 Kd7 19. Bb2 f6 20. Rad1 d5 21. Nc5+ Kc7 22. Bc1 g5 23. Bd2 Nh6 24. Ba5+ Kc8 25. Re7 Ng4+ 26. Kg3 Ne5 27. Rc7+ 1-0

